Colorful Puzzles For Wise Eyes

You can't always trust your eyes, but you can trust pictures like these to deliver hours of fun: Is that a rabbit--or a duck? An abstract design? Look closely and see a face. Find the king hidden in his castle. The watch seems normal...but is it? There are also riddles, number tricks, word games (nearly 200 puzzles in all) each with its own eye-teasing color illustration." What can you put in a glass bottle, but never take out of it? What type of cheese is made backwards? Can you rearrange the letters of NEW DOOR to spell one word?" Answers: a crack, EDAM (MADE backwards), and yes, NEW DOOR can be rearranged to spell ONE WORD.