Gather clues and use deductive reasoning to solve the mysteries in Brain Games Who Done It? puzzle collection.- ​Features puzzles encouraging you to flex your cognitive muscles and solve mysteries ranging from everyday to obscure.- Unlock codes and cryptograms, untangle logic mazes and use visual and math skills to solve "Spy Fly" puzzles.- Expand your logic and reasoning skills, test your memory and push your creative thinking ability to new limits. - Spiral-bound,192 pages