The Dr. Birdley series, developed by Nevin Katz, a talented middle and high school science teacher and cartoonist, makes science content accessible and interesting to a wide range of students. Mr. Katz has created a cartoon personality Dr. Birdley, who introduces key science concepts and vocabulary. In addition to the cartoons, the book includes reproducible student activity pages, background information, study questions, graphic organizers, and quizzes.