Spies, ciphers, and drones
Horn Book,
Mar 26, 2018
Burrows, Terry Codes, Ciphers, and Cartography: Math Goes to WarGr. 4–6, middle school 48 pp. LernerBurrows, Terry Robots, Drones, and Radar: Electronics Go to WarGr. 4–6, middle school 48 pp. LernerSTEM on the Battlefield series. Each book in this series discusses how a field of STEM has been instrumental —...