The author was one of a handful of historic novel writers who were the best at writing stories set in the Napoleonic Wars, covering naval history, His best selling Ramage series sits with the best writers of the genre. He did however write a number of stand-alone books, both fiction and non-fiction. This book was a landmark publication that traced the development of the gun from its earliest days to the mid 20th Century. Long out of print, it requires diligence to search out a copy and the price may be high. Some years ago, a copy was sold at auction for the equivalent of £1000. This is a book that any gun enthusiast would value and well-worth the effort of searching for a copy.