About 30 pages in each book have been used.

"Building Thinking Skills Level 3 Figural and Verbal" is a textbook published by The Critical Thinking Co. in 2007. It is designed for critical thinking development in students grades 7-12, focusing on improving figural and verbal thinking skills. Authored by Sandra Parks and Howard Black, this illustrated paperback book contains various units and exercises to enhance students' critical thinking abilities. Written in English, this textbook is a valuable resource for educators looking to help students improve their problem-solving and decision-making skills.