Detectives - Make & Play Author:Hazel Songhurst This book is part of the "Make and Play" series which explore popular topics through a combination of information and activities. The books look at the subject through history, the most famous examples and how they work today. In this book the activity section provides simple step-by-step instructions on how to make a complete kit to become a de... more »tective including secret codes, disguises, detection equipment and special tips of the trade.« less