To those of you who have been with us from the beginning: Welcome back! And to anyone joining us for the first time: Nice to meet you. Didn"t we warn you about the somewhat addictive nature of these puzzles? Oh, well, it couldn"t hurt you to try just one. After we published the second Picture Puzzle book, we were overwhelmed by the positive response, just as we were after the first-letters, e-mails, phone calls in the middle of the night. And just as we did after the first book, we decided to create something truly special for the next edition. We"ve increased the number of differences to search for throughout the book to maximize your pleasure per page. We"ve also added a new category of puzzles: animals. (These aren"t any easier or harder than the rest, just furrier.) And if you thought the previous Picture Puzzle books were perfect, don"t worry: All your favorite types of puzzles are still here.