Illustrations from the book

The Explorer Academy book series is packed with amazing pictures to help tell the story—and maybe crack some codes. Check out a few of them here.

<p><a href="https://kids.nationalgeographic.com/explorer-academy/article/main-characters">Cruz and Sailor</a> are learning about butterfly migration in the CAVE when they encounter illegal loggers. To escape the bad guys, they must jump from the top of a virtual 300-foot raging waterfall.</p>

Cruz and Sailor are learning about butterfly migration in the CAVE when they encounter illegal loggers. To escape the bad guys, they must jump from the top of a virtual 300-foot raging waterfall.

Illustration by Scott Plumbe
Explorer Academy tech lab chief Dr. Fanchon Quills (right) shows students Emmett Lu (left) and Cruz Coronado one of her strange experiments.
Explorer Academy tech lab chief Dr. Fanchon Quills (right) shows students Emmett Lu (left) and Cruz Coronado one of her strange experiments.
Illustration by Scott Plumbe