Nick and Tesla's Secret Agent Gadget Battle

A Mystery with Spy Cameras, Code Wheels, and Other Gadgets You Can Build Yourself

Hardcover
$12.95 US
| $13.95 CAN
On sale May 06, 2014 | 256 Pages | 978-1-59474-676-5
Age 9-12 years | Grades 4-7
Reading Level: Lexile 680L