the pictures. It's up to you to find what has been altered.Divided into 4 levels, each progressively more difficultFull-color photosCan't find all the changes? No problem, solutions to all the puzzles are provided in the final section of the bookSpiral-bound and handy to use -- no matter whether you are at home, on public transportation, in a long security line at the airport, or relaxing at poolside or on the beach192 pagesThis is the fourth book in the Brain Games Picture Puzzles series. The series was developed to challenge your powers of observation and stimulate your ability to focus and concentrate. All books in the series contain unique content.

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