This book offers a unique glimpse into the tragic disaster that occurred in Liverpool Bay. It provides a detailed account of the events that led to the loss of Cammell Laird built THETIS, a brand new submarine that was undergoing sea trials for the Royal Navy in 1939. With a Foreword by Derek Arnold, the son of Stoker Walter Arnold who was one of only four survivors, and a Postscript by Maritime Historian David Roberts, the book is written in English and is available in the paperback format. It falls under the genre of maritime history and covers the topic of the THETIS disaster in Liverpool Bay. The book is part of the historical book series published by Avid Publications.