Moonleapers

Written by Margaret Peterson Haddix

Part of the Moonleapers Book Series

Hardcover

$19.99

$18.99

8 - 12

Reading age

320

Page count

Sep 16, 2025

Publication date

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What's Moonleapers About

Publisher Summary

From Edgar Award-winning author Margaret Peterson Haddix comes a suspenseful duology opener about a girl whose first phone connects her to a network of time travelers who want to change the world. This New York Times bestseller–now available in paperback–is perfect for fans of The Mysterious Benedict Society and City Spies!When Maisie’s mom gives her an old phone, Maisie can’t believe her luck–finally, she can keep up with everyone at school! Unfortunately, her mom also tells her that the whole family will be moving to spend the summer taking care of Maisie’s great-aunt Hazel. Maisie’s only getting a phone because she’ll be responsible for her younger siblings during the entire trip. With that, Maisie is ready to give the phone back.Then the first puzzling text comes in.Between the mystery texts and a not-completely-blank book from Great-Aunt Hazel, Maisie finds herself thrown into the world of moonleapers. Will she be able to learn more about the secretive group, and–gulp–help them accomplish their crucial mission in time?

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The Creative Behind the Book

Author

Margaret Peterson Haddix

Margaret Peterson Haddix grew up on a farm in Ohio. As a kid, she knew two girls who had the exact same first, middle, and last names and shared the same birthday–only one year apart–and she always thought that was bizarre. As an adult, Haddix worked as a newspaper reporter and copy editor in Indiana before her first book, Running Out of Time, was published. She has since written more than forty books for kids and teens, including the Greystone Secrets series, the Shadow Children series, the Missing series, the Children of Exile series, and lots of stand-alones. Haddix and her husband, Doug, now live in Columbus, Ohio, where they raised their two kids. You can learn more about her at www.haddixbooks.com.