Exercise your brain with hundreds of colorful, mind-blowing photo puzzles Sudoku, crosswords, word searches, and other brainteasers are wildly popular these day

The pairs of photographs in this book, dating back to the 1800s, depict an array of subjects. The images appear to be the same but they're not.

What's wrong with this picture? In addition to more than 70 puzzles, this book is loaded with fun facts, statistics, trivia, and news flashes about the people,

This is the first book in the Brain Games: Picture Puzzles series. Two or more pictures that seemingly are identical are presented on the same page, but subtle

"4 levels: novice, master, expert, genius."