The two books included in this collection introduce the reader to the special assault weapons of the Italian and German navies during the Second World War. These are small submarines, man-torpedoes, man-controlled torpedoes and explosive boats. The first book, “Sea Devils,” talks about the creation of special detachments, the development and use of assault weapons in Italy. Its author is a legendary personality, the “black prince” Junio Valerio Borghese, who led the Italian group of submarine demolitions. The second book, “German Naval Saboteurs” by Caius Becker, is dedicated to the activities of units “K” - sabotage and assault formations of the German Navy. The collection is equipped with detailed appendices and will of interest to specialists and military history buffs.