Develop critical thinking skills in all academic areas--reading, writing, math and science--with this reproducible book of higher thinking activities. Visual and word-based exercises will work on improving recognition and understanding of analogies, classifications, antonyms & synonyms, spatial awareness, vocabulary development, descriptive writing, graphic organizers and more. 408 reproducible pages, softcover. Answer key includes reduced student pages with correct answers overlaid. Level 2: Grades 4-6.