Originally published in 1948, this book contains one man's story of working for the Telecommunications Research Establishment from 1934 until 1945. During this period, Rowe worked on many projects relating to air defence, particularly the development of radar. The text is simply and vividly written and illustrated with multiple photographs of relevant people and places mentioned in the narrative. This book will be of value to anyone with an interest in WWII and the history of radar.