The Junior detective series

Explains how to shadow a suspect, how to shake someone following you, how to track a suspect and cover your own tracks, and how to read animal tracks.

Discusses the six basic questions detectives attempt to answer when investigating a crime.

Discusses forgery and counterfeiting and describes methods used to detect fraudulent imitation of handwriting, money, documents, and other items.

Discusses a variety of codes and explains how to send and decode messages.

Discusses the importance of observation and the uses of disguises in detective work.

Discusses the investigatory work preformed in laboratories using such clues as fingerprints, tire tracks, bullet holes, and artist's sketches.