Puzzle File Spring Fever - Ds13908 Author:James W. Perrin, Jr. This easy to use book contains 54 reproducible puzzles to keep your students happy - and keep them thinking, too! - as they solve challenges related to events in March, April, and May. The eight whimsical Cheddar Mice take turns introducing a variety of puzzles, including scrambled words, spot-the-difference pictures, crosswords and rebuses, log... more »ic puzzles, mirror drawing, mazes, estimation challenges, and much more.« less