Secure the scene and gather up your eyewitnesses! This cool title introduces readers to the art of crime scene investigations and the scientific method. Each book includes step-by-step directions on how to conduct experiments and tests. Readers will complete a variety of activities, from memory and hearing tests to questioning eyewitnesses during an investigation. When the readers are done with this investigative and intriguing title, their "CSI" journal will be full of problem-solving information, and they'll be thinking like real investigators! Checkerboard Library is an imprint of ABDO Publishing Company.