Discover the Top 20 Children’s and Young Adult bestsellers—a collection of the most exciting, imaginative, and heartwarming books for young readers and teens. From magical adventures and thrilling mysteries to empowering stories of friendship and self-discovery, these books are captivating young minds and sparking curiosity. Perfect for all ages, these chart-toppers offer memorable characters and inspiring tales that are sure to become favourites. Dive into this season’s best children’s and YA books and find a new story to love!
1. InvestiGators: Weather or Not
by John Patrick Green
€11.99
Laugh yourself silly with the InvestiGators! Mango and Brash are back in Weather or Not - the ninth full colour comic book adventure by John Patrick Green. Perfect for fans of Dog Man and Bunny vs Monkey . The InvestiGators' latest case is a dairy disaster! The city's water supply has been replaced with milk and the newest feline agents, the InvestiGatos, don't seem to be complaining. What's with the monkey-scientists and why is the rain green?! All will be revealed in this sticky volume of InvestiGators! The InvestiGators series is a hit with readers of all ages and covers positive themes like: Fun teamwork Never giving up Pesky problem-solving Collect all the books in the hilarious series of graphic novels for kids: InvestiGators , Take the Plunge , Off the Hook and tons more. Don't miss Agents of S.U.I.T. , the spin-off series featuring Mango and Brash's colourful coworkers. Ideal for readers who… Are collecting the InvestiGators series and want Mango and Brash’s ninth comic adventure. Enjoy full-colour graphic novels packed with puns, jokes and fast-moving mystery plots. Like kids’ books with animal detectives, teamwork and silly problem-solving energy. Want a funny choice for fans of Dog Man and Bunny vs Monkey . Are looking for a hardback gift for children who prefer comics and visual storytelling.
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3. The Seriously Epic Holiday of Lottie Brooks
by Katie Kirby
€12.99
From hilarious MEGA bestselling author Katie Kirby comes a brand-new story from the phenomenal Lottie Brooks series! Lottie's done with embarrassing herself. There can't possibly be any more ways to do it! Right? Have her annoying little brother announce her bra size while shopping? Done. Get her head stuck in a coffin during an escape room? Check. Go viral and embarrass herself on national media? Completed it. So surely nothing else could possibly phase her. Until an invitation from Amber to join her family ski holiday suddenly arrives . . . Join Lottie on her next (mis)adventure full of life lessons, funny LOLs, and cringe-inducing moments . . . this time on skis! Ideal for readers who: Return to the Lottie Brooks universe for a holiday story where snowy ski slopes become a stage for total mortification. Follow middle-grade diary-style comedies full of friendship drama, family antics and intense social panic. Recognise escape rooms, viral mishaps, shopping disasters and awkward situations as peak Lottie territory. Choose quick, cringe-filled reads that cleverly weave valuable confidence lessons inside the absolute chaos.
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4. Sticker Dolly Dressing K-Pop
by Lesley Sims
€7.99
Discover the magical world of Sticker Dolly Dressing! Follow Yumi, Hana and Gem, aspiring Sticker Dolly K-pop stars, as they record their first single, meet fans at a festival, and shop for outfits for their first live interview. Also starring the legendary Sticker Dolly K-pop boys, Soomin, Kodi and Milo, the book ends with a spectacular joint concert. Find out about their fandoms, and join them on a visit to the Sticker Dolly Performing Arts School, inspiring the stars of the future. With over 300 stickers, including some for that all-important airport fashion, you can help style them on their glittering adventure. - The number 1 bestselling sticker series with characters to dress and colourful scenes to decorate. - Over 300 stickers, including two pages of foiled stickers! - With 12 scenes to complete. - Easy to remove perforated sticker pages for decorating each scene. - Hours of enjoyment to stimulate any child's imagination. - Develop children's concentration and fine motor skills. - Ideal for ages 5+ - The perfect choice for screen-free fun! Ideal for readers who: Love sticker books with pop-star outfits, performance scenes and K-Pop sparkle. Enjoy creative play built around fashion, fandoms and stage-ready styling. Want lots of stickers, foiled details and scenes that feel bright and busy. Like Sticker Dolly Dressing books with a musical, performance-school twist.
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5. Pablo and Splash: Viking Voyage
by Sheena Dempsey
€8.99
Time-travelling penguins Pablo and Splash are on board a Viking longship in this hilarious full-colour graphic novel. Fans of Bunny vs Monkey or InvestiGATORS will love it. 'You'll laugh your flippers off!' John Patrick Green, creator of InvestiGATORS 'Irresistibly funny' Guardian 'I wish I could time travel with Pablo and Splash. They make me laugh so much' - Noah, age 8 When Pablo and Splash tell their cheeky friend Benji about the Vikings and their impressive longships, Benji is amazed. He's desperate to steal a time machine and go plundering for treasure with those ancient warriors. Our time-travelling heroes Pablo and Splash must get to Viking-era Ireland in time to warn the monks about the imminent invasion - and make their own mark on history. 'Pablo and Splash are hilarious. I love this book!' - Oscar, age 7 'Gripping and enjoyable... should be recommended whatever the age of the reader. A really fun, enjoyable read. 10/10' Irish Times on Pablo and Splash Don't miss the special World Book Day 2026 mini book too - Pablo and Splash: The Castle Quest Ideal for readers who: Love funny graphic novels with time travel, Vikings and mischievous animal heroes. Want a lively adventure that blends history with jokes and full-colour action. Enjoy stories where chaos, friendship and quick thinking save the day. Look for Bunny vs Monkey or InvestiGATORS-style humour with a fresh penguin twist.
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6. Diary of a Wimpy Kid: Partypooper
by Jeff Kinney
€12.99
Ideal for readers who: Love funny middle-grade stories and Greg Heffley’s latest disasters. Enjoy diary-style storytelling built around an epic self-thrown birthday party. Want school-and-family comedy set in the wonderfully chaotic Wimpy Kid universe. Like quick, illustrated reads packed with gags, mishaps and big laughs. Over the years, Greg Heffley has chronicled his mishaps and misadventures in a series of diaries – make that journals – but book 20 of the Diary of a Wimpy Kid series, Partypooper, really takes the cake! Expect gobs of fun and over-the-top antics as Greg throws an epic birthday party for none other than himself. So come celebrate and laugh alongside Greg, his family, and the entire world of Wimpy Kid fans.
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8. The Summer of Second Chances
by K. L. Walther
€9.49
From the #1 New York Times bestselling author of The Summer of Broken Rules comes another incredible summer romance about holding onto memories, making new ones, learning to let go, and unexpectedly falling in love. Olivia Lupo feels stuck. All her friends have gone on to their first year of college while she's still at home with her family. There's a good reason though, her beloved grandmother, Annie, has dementia, and Olivia can't bear the thought of being so far from home when Annie needs her the most.So when her stepmother asks the family to spend three weeks of the summer on Martha's Vineyard, Olivia plans to say no...until she discovers an old box Annie filled with photos and memories from her own time there. Olivia decides to follow in her grandmother's footsteps and spend some time on the island that Annie describes as magical.When she arrives, she meets Connor, a boy from her past who really wants to be a part of her present... and future. Olivia's never thought about forever with someone until meeting Connor...and it scares her. How can she make plans when all she wants to do is keep close to her grandmother before she's gone forever? As she recreates the memories Annie made a lifetime ago, she has to decide if she's finally willing to give someone her heart, just when she needs it the most.
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9. The Extremely Embarrassing Life of Lottie Brooks
by Katie Kirby
€8.99
Lottie Brooks is eleven and three quarters and convinced her life is already over as secondary school looms. Katie Kirby uses that exaggerated sense of catastrophe brilliantly, building a story full of friendship worries, body-conscious panic and the kind of everyday humiliation that feels enormous at that age. The diary format and illustrations keep the pace lively, while details like Lottie’s hamsters give the book extra personality. It is an ideal choice for readers who like their school stories funny, candid and emotionally spot-on. Ideal for readers who: Reach for entertaining secondary-school stories packed with diary humour and plenty of mortifying moments. Recognise the classic strain of friendship worries, family chaos and the daily drama of trying to fit in. Appreciate pre-teen comedies that treat relatively small humiliations as genuinely catastrophic events. Respond well to illustrated, fast-moving books delivered with a wonderfully candid comic voice.
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11. The Mega-Complicated Crushes of Lottie Brooks
by Katie Kirby
€8.99
Lottie returns for a summer of mega-complicated feelings, with France, Instagram daydreaming and a first boyfriend all adding to the emotional overload. Katie Kirby mines the holiday setting brilliantly, using unfamiliar surroundings to heighten every social wobble and romantic misunderstanding. The result is a funny, fast-moving read that understands how intense first crushes can feel when confidence is still in very short supply. It is a strong pick for readers who like their humour honest, expressive and full of chaotic energy. Ideal for readers who: Follow Lottie Brooks as she navigates awkward holiday crushes and first-boyfriend confusion. Recognise how incredibly intense romantic misunderstandings and social worries feel at school age. Settle into a delightful summer comedy set in France, driven by diary entries and teenage energy. Respond to expressive, funny fiction that successfully turns awkward personal situations into narrative momentum.
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12. The Catastrophic Friendship Fails of Lottie Brooks
by Katie Kirby
€8.99
Lottie is back for spring term and determined to move past old humiliations, but Kingswood High is still a minefield. A role in the school musical offers the chance to impress her crush, yet the bigger problem is closer to home as her friendships with Molly and Jess begin to wobble. Katie Kirby keeps the humour broad and accessible, but she is equally good on the panic of trying to hold a friendship group together. Readers who loved the first book will find the same comic voice here, sharpened by more social complication. Ideal for readers who: Adore witty middle-grade diary fiction focused on friendship fallouts and secondary school survival. Want to follow Lottie as she navigates complex dynamics with Molly and Jess, awkward crushes and a school musical. Recognise the emotional minefield of school life, wobbling friendships and intense public embarrassment. Appreciate illustrated comedies where pre-teen panic feels beautifully honest, fast-paced and genuinely funny.
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13. Ultimate Football Heroes: World Cup Greatest Moments
by Matt Oldfield
€7.99
From the No.1 bestselling football series, comes the Ultimate Football Heroes World Cup Greatest Moments! Experience the greatest stories ever told as we go through the greatest moments ever in the history of the football World Cup! Featuring the most iconic moments in World Cup history, from Harry Kane winning the Golden Boot in 2018, to Lionel Messi winning his first World Cup trophy, to Pelé's world-shattering World Cup debut, and so much more. From most incredible players to the most incredible plays, get caught up in what makes the World Cup the most spectacular sporting event for the beautiful game. This World Cup special also features a tournament tracker in the back of the book so you can follow the excitement of this year's competition. Ideal for readers who: Relive landmark World Cup moments through accessible stories for young football fans. Meet tournament icons including Messi, Pelé and Harry Kane through memorable match drama. Pair football history with energetic storytelling that makes famous moments easy to grasp. Use the tournament tracker to connect past greatness with the current World Cup.
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14. Lottie Brooks's Totally Disastrous School Trip
by Katie Kirby
€8.99
Lottie Brooks continues to navigate the many perils of growing up in this fantastically funny illustrated series for a 9-12 audience, filled with friendship, embarrassing moments and plenty of lols. Woe is me. So much is wrong in my life... Still look like a tomato Am stuck indoors whilst my friends go bowling without me (rude) My parents are leaving me to go out on a 'Date Night'. GROSS! After a summer of meeting handsome French boys and getting a tiny bit sunburnt. OK, fine - a lot sunburnt, Lottie's heading off on a week-long residential school trip. A whole week away from embarrassing parents and Toby's tasty air biscuits! But the trip soon turns into a total disaster. The other girls staying at the camp are MEGA-MEAN, best friend Jess is spending all her time with new girl Isha, and Lottie's diary gets stolen! Who knew a school trip could cause so much DRAMA?! Perfect for fans of Angus, Thongs and Perfect Snogging, Dork Diaries and Wimpy Kid. Readers LOVE Lottie Brooks: My daughter couldn't put it down and read it in 2 days. Read at breakfast, walking downstairs, tea time, in the bath. My 9-year-old daughter devoured it in two nights, and all I could hear from her was giggling and the occasional "Mum! Listen to this! This is SO me!". My 12 year old reluctant reader took this book, read 100 pages in one night and proclaimed it 'the best book ever' Katie has managed to capture the essence of what this group think and feel in a positive, life-affirming fashion' Have you read all of Lottie's embarrassing diaries? Book 1: The Extremely Embarrassing Life of Lottie Brooks Book 2: The Catastrophic Friendship Fails of Lottie Brooks Book 3: The Mega-Complicated Crushes of Lottie Brooks Book 4: Lottie Brooks's Totally Disastrous School-Trip Book 5: The Completely Chaotic Christmas of Lottie Brooks Book 6: The Majorly Awkward BFF Dramas of Lottie Brooks Book 8: Lottie Brooks Vs The Ultra Mean Girls Other books from the world of Lottie Brooks: Book 7: Lottie Brooks's Totally Essential Guide to Life Ideal for readers who: Think school trips are the perfect setting for public embarrassment Like funny books full of friendship drama, crushes and social mishaps Prefer illustrated fiction that sounds like a real child telling the story Would get a lot out of a fast, relatable read with maximum tween chaos
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16. Megalomaniacs: The Invasion Begins
by Jamie Smart
€9.49
There are three things you need to know about MEGALOMANIACS! They are TERRORS from outer space! There are LOADS of them! They are TINY! Bobbletown is under attack - from the cutest, silliest and zaniest alien invasion EVER! The super-powered Megalomaniacs have crash-landed, and they're going to do their very best to take over planet Earth! That is, if they don't get in each other's way first . . . Jam-packed with Jamie Smart's unique exuberant humour and artwork, Megalomaniacs is the newest extravaganza in children's comics! You've never read ANYTHING like this before! Ideal for readers who: Love anarchic children’s comics packed with tiny aliens and super-powered chaos. Enjoy watching Bobbletown face a wonderfully cute invasion that constantly trips over itself. Are buying for dedicated Jamie Smart fans who delight in loud jokes and visual mayhem. Expect zany, fast-moving comic adventures with pure silliness on every single page.
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17. The Diary of Wiska Wildflower: The Crystal Cave
by Harriet Muncaster
€9.49
Wiska Wildflower is back! From the creator of Isadora Moon, Harriet Muncaster. Told in diary format and packed with beautiful full-colour illustrations, this is the enchanting story of Wiska Wildflower's first school expedition-to one of the most dangerous places in all of Wiskling Wood! We're going on a school trip to Wiskling Mountain! We have to read a map and make our own camp and find and cook our own food-it's a BIG deal. Wiska is excited to be paired with Citrine for the school trip, but when Citirne persuades her to join her on a secret mission to find a rare starflower, she begins to have doubts. After disaster strikes, the friends seek sanctuary in a hidden spot in Wiskling Wood. What they find there is incredible and life-changing. But will their friendship survive this dangerous adventure? Book 2 following the Children's bestseller The Diary of Wiska Wildflower: The New School. Ideal for readers who: Enjoy magical school-trip stories with maps, camps, secrets and friendship tests. Like diary-format children’s fiction with colour illustrations and gentle adventure. Want woodland magic that feels cosy but still carries real danger. Follow Harriet Muncaster’s world and enjoy brave heroines finding confidence outdoors.
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18. KPop Demon Hunters: The Official Junior Novelization
by Jessica Yoon
€8.99
A junior novelization that retells Netflix’s KPop Demon Hunters! Rumi, Mira, and Zoey are the world-famous girl group HUNTR/X. When they aren’t selling out stadiums, they protect the world from a force of powerful demons that have threatened the world for centuries. But have they met their match with the arrival of Saja Boys, an infuriatingly cute boy band who happen to be demons in disguise? This junior novelization is the official retelling of Netflix’s KPop Demon Hunters. Based on the screenplay by Danya Jimenez & Hannah McMechan and Maggie Kang and Chris Appelhans Based on KPop Demon Hunters, the film Directed by Maggie Kang and Chris Appelhans Ideal for readers who: Pick up fast-paced junior novelisations of popular animated and screen adventures. Follow fierce pop stars who are secretly defending the modern world from ancient demons. Are drawn to vibrant K-pop energy, intense rival bands and supernatural action sequences. Reach for quick, highly colourful stories packed with strong friendships and cinematic spectacle.
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20. The Overthinkers' Club: Happy List
by Nat Luurtsema
€8.99
Ideal for readers who: Have a weakness for funny diary-style fiction about friendship drama, crushes and school worries Recognise the appeal of a heroine whose anxious inner life is both relatable and hilarious Are looking for illustrated middle-grade stories full of overthinking and awkwardness Need a lively, funny and very relatable tween read Birdie is exactly the kind of character that younger readers recognise instantly: dramatic, funny, worried about everything and trying very hard to fix her life with a plan that may or may not work. That makes the book feel both comic and emotionally familiar. The diary-style voice gives the story pace and intimacy, while the illustrations help keep everything brisk and playful. Friendship wobble, school panic and pre-teen embarrassment are all handled with warmth rather than condescension. For readers who love the energy of Lottie Brooks or Dork Diaries , this feels like an easy hand-sell.
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