Book #1 · Chapter Book · Ages 8–12 · 2017
Alien Cave Explorers
Could robots one day explore the hidden caves of the moon and Mars?
48 pages
Other
Summary: Engineer William "Red" Whittaker tells how he grew from a student into a NASA inventor, and how he and his team are designing robots to explore the unknown caves of the moon and Mars. Readers learn about lava tubes, orbital scouting and underground exploration, and an inventor feature at the back invites them to design their own.
