Brain games

the long version

"Can you gather the clues and use deductive reasoning to solve the mysteries in Brain Games® Who done it? In this puzzle collection, you'll find almost 200 puzzles that will encourage you to use your brain to solve mysteries that range from the everyday to the arcane. Unlock codes and cryptograms, untangle logic puzzles, and use your visual and math skills to solve "Spy Fly" puzzles. Along the way, you'll expand your logic and reasoning skills, test your memory, and push your creative thinking skills to the limit. So put on your thinking cap, and get ready to detect!"--Back cover.