(Paperback)

Archie Morningstar fights crime across the universe alongside his dad and Pockets the talking cat. In this book, the trio solves a new mystery using scientific clues. Get ready for another thrilling and hilarious space adventure!

(Paperback)

The third book in the Space Taxi series

(Paperback)

Archie Morningstar fights crime across the universe alongside his dad and a talking cat. In this book, Archie is taken to the criminal organization B.U.R.P.'s mothership where he must outsmart evil masterminds!

(Paperback)

A fifth brand new adventure in the intergalactic science-based chapter book series from a New York Times bestselling author and her husband, in paperback.