The book is for training purposes for Bosuns Mates who are experienced Navy Seaman. Set up for structured training.A.4 size book, 242 pages with emblem of Royal Navy on cover with a picture of a deck gun on the cover. Contains Training program, maintenance schedules, definitions, aircraft identification, ship identification including Australian Navy etc. Book is bound with plastic, 20 ring binding.Title on cover; "Basic Bosuns Mate Gunnery Course".royal navy, gunnery, book, training manual