During the Age of Sail, black seamen could be found in many shipboard roles in the Royal Navy, such as gunners, deck-hands and 'top men', working at heights in the rigging. In the later Age of Steam, black seamen were more likely to be found on merchantmen below deck as cooks, stewards and stokers. Nevertheless, the navy was possibly a unique institution in that black and white could work alongside each other more than in any other occupation. In this fascinating work, Dr. Ray Costello examines the work and experience of seamen of African descent in Britain's navy, from impressed slaves to free Africans, British West Indians, and British-born Black sailors. Seamen from the Caribbean and directly from Africa have contributed to both the British Royal Navy and Merchant Marine from at least the Tudor period and by the end of the period of the British Slave Trade at least three percent of all crewmen were black mariners. BRBlack sailors signed off in British ports helped the steady growth