This is a vintage United States Navy illustrated hardcover copy of "The BlueJackets' Manual 1943 Eleventh Edition". It is a valuable collectible item for militaria enthusiasts and history buffs alike. The book covers various aspects of the Navy's history and procedures, and is an original period item from the World War II era (1939-45). The book has not been modified and is in its original form. It is a must-have for any serious collector of military memorabilia.