Sigint: The Secret History of Signals Intelligence in the World Wars
Written by a former British Army Intelligence Officer who served in Germany after the Second World War.
SIGINT stands for "Signals Intelligence" which is a professional specialisation that deals with the interception, monitoring and decoding of military radio signals.
Reviewed in the September issue of RadioUser as "an enjoyable and highly informative book, which should be of interest to anyone who likes to read about the First and Second World Wars, as well as those whose main interests lie in signals and codes". Read the full review here.