A handbook of lessons which integrate the teaching of thinking skills into instruction--language arts, writing, science, math, social studies, personal problem solving, and enrichment. The central feature of all lessons is the use of graphic organizers to illustrate how information is related. Each lesson includes a lesson plan, background information, and answers. Reading level grade 4; ability level: grades 4-8; 86 activities, graphic organizers and answers included. Reproducible for single-classroom or single-home use.