Sam Willis has lectured at Bristol University and at the National Maritime Museum in Greenwich, and consults on maritime painting for Christie's. Sam spent eighteen months as a Square Rig Able Seaman, sailing the tall ships used in the Hornblower television series and Channel 4's award-winning film Shackleton, and is a consultant to the BBC's Coast. He is the author of Fighting at Sea in the Eighteenth Century: The Art of Sailing Warfare and the highly successful Fighting Ships series for Quercus.