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Cover of Kid X

Kid X

Tracey Baptiste

Ages 8–13

226 pages · Released Feb 24, 2026

Content report card

Kid X parent’s guide: what’s inside

Medium confidence

Sexual content

LGBTQ+ themes

Substance use

What it offers

A note for parents

Kid X is an action-adventure superhero sequel with themes of responsibility, identity, and growing into one's powers. The story emphasizes moral growth as Coal learns consequences of his choices and works to protect those he loves. While there is mild peril and some conflict typical of the genre, the content is appropriate for middle-grade readers who enjoy superhero adventures. Themes around race and justice add depth without becoming heavy-handed.

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From the publisher

From a New York Times bestselling author, this thrilling sequel to Boy 2.0 returns readers to the world of their favorite superhero, as Coal continues to grow into his new powers—and discovers a mysterious individual who may be just like him. Perfect for fans of Amari and the Night Brothers and Into the Spiderverse. Wi... From a New York Times bestselling author, this thrilling sequel to Boy 2.0 returns readers to the world of their favorite superhero, as Coal continues to grow into his new powers—and discovers a mysterious individual who may be just like him. Perfect for fans of Amari and the Night Brothers and Into the Spiderverse. Win “Coal” Keegan is starting to get the hang of his new life. He’s come to love his foster family, the McKays, and is getting more confident with his invisibility powers. Almost too confident. At first, he uses his abilities for small favors. But soon, the favors snowball into bigger asks and messier pranks. And when rumors surface about a “ghost” in the neighborhood, Coal realizes it might be best to keep his talents under wraps. But that gets harder when Coal starts to suspect that someone—or something—might be tracking him. And as the evidence stacks up, Coal realizes he’s not the only one with powers. Is his pursuer friend or foe? What would it be like to meet someone just like him? As the stakes rise and Coal finds allies and enemies in unexpected places, he’ll have to channel a new level of bravery to protect himself, his family, and his world. Packed with themes of technology, race, and justice, this exhilarating follow-up to Boy 2.0 returns readers to the world of their new favorite superhero.

Shelved under

  • Juvenile Fiction

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ISBN 9780316597654 · Little, Brown Books for Young Readers

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