A dangerous crime has been committed! Spies have infiltrated a top-secret lab, a double agent is loose, and someone has stolen some important plans. Tracking down spies is tricky, and young readers can learn whether or not they’re up to the task with this book and crime lab. Using the tools included, they test theories and narrow down suspects. Will they succeed and become super sleuths, or end up scratching their heads?

Fun & Engaging