Mind Twisters: Games, Puzzles and More! (Dover Kids Activity Books)

Prepare to be puzzled! This colorful book is bursting with brain games based on math and logic, plus tests of your observational skills. More than 50 pages of imaginative quandaries geared toward 8- to 14-year-olds involve cracking a spy's encrypted message, identifying individuals from a parade of extraterrestrials, and figuring out palindromes, hidden pictures, and other puzzles.