Under Their Skin

Nick and Eryn’s mom is getting remarried, and the news that they’ll never have to meet their step-siblings begins a quest to find out who these kids are—and why they’re being kept hidden in Margaret Peterson Haddix’s Under Their Skin series.

Latest book from Under Their Skin

In Over Their Heads

Book #2

Nick and Eryn must figure out a way to save the world without sacrificing their newly discovered family in this follow-up to Under Their Skin, which Booklist called “crisp, intriguing, and thought-provoking” in a starred review.

In Under Their Skin, twins Nick and Eryn successfully met their new stepsiblings, Ava and Jackson. But in doing so, the twins found themselves on a mission to discover how to prevent humanity from facing certain doom.

Now, their two families are joined together to save not only themselves, but everyone—human and robotic. Can they figure out how before it’s too late?
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About the Author

Margaret Peterson Haddix
The Backstage Studio

Margaret Peterson Haddix

Margaret Peterson Haddix is the author of many critically and popularly acclaimed YA and middle grade novels, including the Children of Exile series, The Missing series, the Under Their Skin series, and the Shadow Children series. A graduate of Miami University (of Ohio), she worked for several years as a reporter for The Indianapolis News. She also taught at the Danville (Illinois) Area Community College. She lives with her family in Columbus, Ohio. Visit her at HaddixBooks.com.

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