Top secret files

"Spy school, poison pens, exploding muffins, and Night Witches were all a part of World War II, but you won't learn about that in your history books! Crack open secret files and read about the mysterious Ghost Army, rat bombs, and doodlebugs. Discover famous spies like the White Mouse, super-agent Garbo, and baseball player and spy, Moe Berg. Then build your own secret agent kit and create a spy code"--Back cover.