Best Siblings Fiction Books for Teens & Young Adults of 2026

The Outsiders by S. E. Hinton is a classic coming-of-age novel that tells the story of Ponyboy, a young boy who finds himself on the outskirts of society. He relies on his brothers and friends to navigate the challenges of life, including trouble with the Socs, a gang of rich kids who bully the greasers like Ponyboy. The novel is filled with drama and tension, and it has been credited with transforming young-adult fiction by portraying a darker, truer world. Overall, The Outsiders is a powerful and enduring work of fiction that remains relevant today.

The Summer I Turned Pretty is a heartwarming and emotional conclusion to Jenny Han's New York Times bestselling trilogy. Belly, who has been in love with two boys with the last name Fisher, has to choose between Jeremiah and Conrad. While Jeremiah is almost certain that Belly is his soulmate, Conrad realizes that he needs to act fast before he loses Belly forever. This book is perfect for teens and young adults who love romance and coming-of-age stories. The inclusion of bonus content, such as Conrad's letters to Belly, adds an extra layer of depth to the characters. Overall, The Summer I Turned Pretty is a must-read for fans of Jenny Han's work and anyone who loves a good love triangle.

The Final Gambit is the latest installment in The Inheritance Games series, which has sold over one million copies. The book follows Avery Kylie Grambs as she tries to survive and inherit billions by living in Hawthorne House. However, a visitor's arrival changes everything, and Avery and the Hawthorne brothers find themselves in a dangerous game against an unknown and powerful player. The book is filled with secrets, puzzles, and plot twists that keep the reader engaged until the very end. Overall, The Final Gambit is an entertaining and thrilling read that is perfect for fans of romantic mysteries and thrillers.

The Cruel Prince by Holly Black is a captivating start to The Folk of the Air series. The novel follows Jude, a mortal girl who is taken to live in the treacherous High Court of Faerie after her parents are murdered. Despite facing hostility from many of the fey, including Prince Cardan, Jude longs to belong in their world. To win a place at the Court, she must defy Cardan and become embroiled in palace intrigues and deceptions. Black's world-building is masterful, immersing readers in a magical realm filled with danger and intrigue. The Cruel Prince is a dark and seductive read that will leave readers desperate for more.

"Long Way Down" by Jason Reynolds is a gripping novel that explores the devastating impact of gun violence. After his brother is murdered, 15-year-old Will is determined to seek revenge, with his brother's gun hidden in his waistband. As he rides the elevator down to the ground floor, he is confronted by a series of unexpected visitors who challenge his assumptions and force him to question his actions. The book has received numerous accolades, including a Newbery Honor, a Printz Honor, and an Edgar Award. Overall, "Long Way Down" is a powerful and timely examination of the cycle of violence and the difficult choices that young people must make in the face of tragedy.

The Caraval Boxed Set is a collection of the three books in Stephanie Garber's bestselling series. The story revolves around the Dragna sisters, Scarlett and Tella, and their journey in the magical world of Caraval. In this world, the audience participates in the show, making it a thrilling and unpredictable experience. The sisters' unbreakable bond is tested as they fight for their lives and each other. Garber's writing is beautiful and descriptive, immersing readers in the world of Caraval. This boxed set is an excellent addition to any teen or young adult's bookshelf.

The Brothers Hawthorne by Jennifer Lynn Barnes is a thrilling addition to the Inheritance Games trilogy. It follows the story of Grayson and Jameson Hawthorne, two brothers with different personalities and goals. Grayson is tasked to take care of his half-sisters' trouble, while Jameson is challenged to infiltrate an exclusive underground gambling club in London. The brothers, along with their siblings and a girl who inherited their grandfather's fortune, find themselves playing twisted games on opposite sides of the world. Barnes expertly weaves together family secrets, high stakes, and a touch of romance to create an engaging and captivating novel. Fans of Barnes's previous works will not be disappointed.

I Am Not Your Perfect Mexican Daughter is a poignant YA novel about a Mexican-American teenager named Julia who is struggling to come to terms with her sister's death. Despite the expectations and stereotypes ingrained in her culture, Julia is determined to find out the truth about her sister and her own identity. The book is a National Book Award finalist and a New York Times bestseller, and it's easy to see why. The story is raw and emotional, and the characters are relatable and authentic. It's a must-read for anyone looking for a powerful coming-of-age story that explores themes of grief, identity, and family.

When You Wish Upon a Star: A Twisted Tale is a captivating and thrilling book that twists the classic Disney story of Pinocchio into an enthralling tale. The story follows the Blue Fairy, who defies fairy law and grants Geppetto's wish to have a child, leading to a chain of dramatic events. The book is part of the A TWISTED TALE series, which reimagines Disney stories in new and exciting ways. This book is perfect for teens and young adults who love dark and twisted fairy tales. Overall, this book is a must-read for anyone who enjoys a good twist on a classic tale.

From the Mixed-Up Files of Mrs. Basil E. Frankweiler by E. L. Konigsburg is a timeless classic that won the Newbery Medal for its intriguing storyline. Claudia and her brother Jamie run away to the Metropolitan Museum of Art where they stumble upon a mystery involving a beautiful statue with an unknown maker. The book is a perfect blend of adventure, mystery, and sibling bonding, making it a must-read for teens and young adults. The unique setting of the museum and the clever plot twists keep readers engaged until the very end. Overall, this book is a delightful read that will leave a lasting impression on its readers.