An Edgar-award nominee for best middle grade mystery.

Dash Gibson is one of the first kids to live on the moon — only, living in space isn’t anywhere near as cool as the movies make it out to be.  Then Moon Base Alpha’s top scientist turns up dead and Dash suspects foul play. But he’d better watch his step.  Turns out, Dr. Holtz was on the verge of a major discovery, a secret that could change everything for humanity — and one that someone might just kill to keep…

Click here to order it!

“A delightful and brilliantly constructed middle grade thriller.” – New York Times Book Review (Click here to read the whole thing.)

“Smartly paced and intricately plotted… Fully absorbing.” – Kirkus Reviews, starred review

“A whipsmart space whodunnit.  Five stars.” – Common Sense Media

“Recommended as a breezy read, especially for the budding space scientist.” – School Library Journal

“The lunar setting puts a fresh spin on the locked-door mystery genre, and Gibbs plants plenty of credible suspects among the eccentric cast… Fans of the Spy School series will welcome this debut entry in Gibbs’s latest run.” – Bulletin of the Center for Children’s Books

“Gibbs stocks the cast with multiple suspects and red herrings… [T]his is notable for its unusual setting and features a narrator who displays a realistic mix of wonder at his location and annoyance at having to deal with the Spartan life on another planet.” – Booklist


And don’t forget about Stuart Gibbs’s other great middle-grade books: Belly Up, Poached, Spy School, Spy Camp and the Last Musketeer trilogy.  (For more details, click here.)

(Plus, Evil Spy School is available for preorder!  Click here to get it!)