The book that tells everything you need to know for a successful and rewarding part-time career: What a sub does How to qualify (it's easier than you think) What you'll earn How to ensure you'll work as much as you want, and where and when you want The four keys to good subbing Plus: A sub's bag of tricks-a wealth of brainteasers, puzzles, games, instant arts and crafts, creative play, indoor sports for rainy days, and ways to use your own special talents to keep students productively-and happily-occupied.