This book gathers all three books of the Sensors Series into one volume for the first time, including Invasion of the Sensors, Investigation of the Sensors, and the new book, Invention of the Sensors. While it does not include the Graphic Novel adaptation of the first book, or the children's book, Who Are the Sensor?, it tells the complete story of this amazing group of people in its entirety. The Sensors manage to overcome their severe sensory disabilities to same themselves and their people after an apocalyptic event. In the midst of this pressure, they still find time for a good laugh rather often, and what more can you ask of life and a story? Contains illustrations by the author.