Picture puzzles are the most fun anyone can have with a book! And puzzlers can keep their keen sense of observation working overtime! With dozens of interesting and beautiful photographs, there are hours and hours of puzzles to work on. There are 4 different skill levels, so the challenge builds up as the puzzler's sleuthing skills become more acute. This book is hIghly portable, so puzzlers can work these puzzles on the bus or at the beach--or anywhere!