Explode the Code Teacher's Guide/Key Books 7 8 Detailed Description — The Teacher's Guide and Key, Books 7-8, expands on the skills presented in the student books, providing teachers with various options for instruction and reinforcement. The wide variety of activities may be adapted for whole-class, small-group, and one-on-one learning situations. Each lesson addresses the principles of effe... more »ctive reading instruction and follows the same easy-to-use format :