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The moon base commander has gone missing and Dash Gibson is on the case in the second mind-boggling mystery of the Moon Base Alpha series from the New York Times bestselling author of Belly Up and Spy School.

There’s nowhere to hide on the world’s first moon base. After all, it’s only the size of a soccer field. So when Nina Stack, the commander of Moon Base Alpha, mysteriously vanishes, the Moonies are at a total loss.

Though he may be just twelve years old, Dashiell Gibson is the best detective they’ve got. But this confusing mystery pushes Dash to his limits. Especially since Dash accidentally made contact with an alien and has to keep it a secret. With the fate of the entire human race hanging in the balance, will Dash be able to solve the mystery of the missing Moonie?

Spaced Out

Excerpt from The Official Residents’ Guide to Moon Base Alpha, © 2040 by National Aeronautics and Space Administration:



Although every effort has been taken to make Moon Base Alpha the safest human habitat ever built, we still urge you to be extremely careful and vigilant for your own well-being. MBA’s medical bay has been stocked with plenty of emergency supplies and the latest medical technologyI so that the doctor on staff can handle even extreme medical emergencies, but all lunarnauts should bear in mind that life on the moon is inherently dangerous and that the closest hospital is back on earth, more than 250,000 miles away. Thus, you are advised to exercise extreme caution at all times and take great care to avoid risks.

To that end, we have compiled the following catalog of potentially dangerous areas, facilities, objects, and situations. Bear in mind this is by no means meant to be a complete list, but rather a guide to provide for better safety. There may be many other hazards at MBA not included below. Please do your best to be safe and alert to danger at all times while you are on the moon. Remember: The best way to avoid trouble is to not get into trouble in the first place!

I. At the time of printing. Because of the difficult nature of replacing technology on the moon, some tech may be slightly out-of-date by the time you read this.
Photo courtesy of the author

Stuart Gibbs is the New York Times bestselling author of Charlie Thorne and the Last Equation and the FunJungle, Spy School, and Moon Base Alpha series. He has written the screenplays for movies like See Spot Run and Repli-Kate, worked on a whole bunch of animated films, and developed TV shows for Nickelodeon, Disney Channel, ABC, and Fox. Stuart lives with his family in Los Angeles. You can learn more about what he’s up to at

“Life on the moon can be a drag . . . but it’s never dull.”

– Booklist Online

"The book is filled with scientific information, humor, and an appropriate amount of noxious gasses."

– School Library Connection

More books from this author: Stuart Gibbs

More books in this series: Moon Base Alpha