Best Children's Siblings Books of 2026

Diper Överlöde is the latest addition to the Diary of a Wimpy Kid series, written by the renowned author Jeff Kinney. The book follows Greg Heffley, who decides to join his brother's band, Löded Diper, on their journey to fame and glory. However, he soon realizes that the rock 'n' roll lifestyle is not as glamorous as it seems, with unpaid gigs, band member fights, and money troubles. Will Greg be able to help Löded Diper become the legends they aspire to be? This book is a must-read for children who enjoy performing arts fiction books. The author's unique writing style and relatable characters make this book a standout in the series.

Celebrate the 45th anniversary of the classic Fudge series with Tales of a Fourth Grade Nothing. In this #1 New York Times bestseller, Peter's little brother Fudge causes chaos wherever he goes, from temper tantrums to mashed potatoes on the wall. Author Judy Blume's humorous writing style and insight into sibling rivalry and family dynamics will have readers giggling with recognition. This children's book is perfect for those who have ever been burdened with a pesky younger sibling. Overall, Tales of a Fourth Grade Nothing is a timeless classic that will continue to be loved by generations to come.

The One and Only Bob by Katherine Applegate is the sequel to the Newbery Medal-winning and #1 New York Times bestselling novel, The One and Only Ivan. In this book, Bob embarks on a dangerous journey to find his long-lost sister with the help of his friends Ivan and Ruby. As a hurricane approaches, Bob finds courage he never knew he had and learns the true meaning of friendship and family. The One and Only Bob is a heartwarming story of loyalty and bravery that will delight both new and old fans. Katherine Applegate’s use of literary devices and story elements make this book a must-read for tweens in grades 5 to 8.

My Magical Choices by Boundless Movement is a fantastic children's book that teaches kids the importance of making positive choices and taking responsibility for their actions. The book uses fun rhymes and beautiful illustrations to empower children to choose to be responsible, calm, confident, fun, forgiving, generous, and more. The book is a great addition to every child's library and primary teacher's collection, and it reinforces the messages that parents and teachers are trying to instill in their children. Overall, My Magical Choices is a must-read for parents who want to teach their children valuable life skills in a fun and engaging way.

I Am a Big Sister by Caroline Jayne Church is a heartwarming story perfect for preparing an older sister for the arrival of a new baby. The book features adorable toddler illustrations and offers a great opportunity for interactivity. Church's previous works, including Good Night, I Love You and I Love You Through and Through, have been praised for their dynamic illustrations and informative, inventive, and humorous text. Overall, I Am a Big Sister is an excellent addition to the children's new baby books category, and its brand, Cartwheel Books, has yet again delivered a delightful and unique story for young readers.

How to Babysit a Grandma is a heartwarming children's book that celebrates the special bond between grandmas and their grandchildren. In this delightful New York Times bestseller, the kids are in charge of babysitting their grandma for a day. The book provides useful tips on how to keep a grandma busy, things to do at the park, possible places to sleep, and what to do once you're both tucked in for the night. The full-color digital art is bright, and sharp-eyed children will delight in the details, including the silly antics of Grandma's dog. This book is perfect for Mother's Day, Grandparent's Day, and any day shared with grandma.

The Wingfeather Saga Boxed Set by Andrew Peterson is a collection of all four novels in hardcover, including On the Edge of the Dark Sea of Darkness, North! Or Be Eaten, The Monster in the Hollows, and The Warden and the Wolf King. The story follows three siblings, Janner, Tink, and Leeli, who must use their gifts to survive the evil pursuit of the venomous Fangs of Dang. This epic fantasy is full of heart, smarts, and courage, making it a tale that children of all ages will cherish. With interior illustrations, a map of the fantastical world, and inventive appendices, this boxed set is a must-have for any fantasy lover.

Squished: A Graphic Novel is a heartwarming and charming story about an 11-year-old girl named Avery Lee, who is tired of feeling squished in her family of nine. She wants her own room to make art and be alone, but her grumpy older brother gets it instead. Avery hatches a plan to get her own space while navigating changes in her friendships, working on an art entry, and dealing with the possibility of her family moving across the country. The warm and appealing artwork captures the crowded chaos of the Lee household. This engaging graphic novel tackles real feelings and is highly recommended for children's siblings books.

You're The Biggest is a heartwarming hardback picture book that celebrates the arrival of a new baby and the role of a big brother or sister. The story follows two adorable foxes on a journey of discovery, highlighting the unique and rewarding role of an older sibling. The book also includes space for a handwritten personal message, making it a wonderful keepsake gift for children aged 0-5. The stunning illustrations and sentimental messages make the sibling feel included and appreciated. This book is a best-seller for a reason and is a must-have for families welcoming a new addition.