Mr. Docker Is Off His Rocker! by Dan Gutman is a chapter book all about science. The book focuses on a boy named AJ who thinks science is for nerds. When AJ gets a new science teacher named Mr. Docker and sees all the amazing things that relate to science, AJ realizes that science can be fun and interesting and that science answers many questions of how the world works. Mr. Docker Is Off His Rocker! emphasizes the importance of students having inquiries and testing theories out. In the book, there are mentions of prisms, pendulums, and energy from potatoes. With Mr. Docker Is Off His Rocker, teachers could introduce many science topics and try some of the experiments included in this book, like combining water with the chemicals citric acid and sodium bicarbonate and seeing what happens. Mr. Docker Is Off His Rocker has a Lexile Reading Level of 580L (Grades 2-3).