Book excerpt: Connect students in grades 4 and up with science using Learning about Vertebrates. This 48-page book includes information about the seven major classes of vertebrates and uses scientific process skills, such as observing, classifying, analyzing, debating, designing, and reporting, to discover the world of vertebrates. The book includes questions, reinforcement activities, crossword puzzles, table activities, study sheets, unit tests, a bibliography, and answer keys.