Thinkathon provides activities to develop and test higher-level thinking skills. They may be used as an exciting contest between groups, classes, or even schools. The book is divided into 6 sections: Brainstorming Skills, Categorizing Skills, Memory Skills, I.Q. Testers, Analogies, and Language Skills. Instructions for setting up teams, presenting activities, and scoring are included. 96 pages. Grades 2 to 6.