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 DNA extraction to making a pinhole camera. 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.