Jasper Tudor, son of Queen Catherine and her second husband, Owen Tudor, has grown up far from the intrigue of the royal court. But after he and his brother Edmund are summoned to London, their half brother, King Henry VI, takes a keen interest in their future. Bestowing earldoms on them both, Henry also gives them the wardship of the young heiress Margaret Beaufort. Although she is still a child, Jasper becomes devoted to her and is devastated when Henry arranges her betrothal to Edmund.
The Black Door explores the evolving relationship between successive British Prime Ministers and the intelligence agencies, from Asquith's Secret Service Bureau to Cameron's National Security Council. At the beginning of the 20th Century the British intelligence system was underfunded and lacked influence in government. But as the new millennium dawned, intelligence had become so integral to policy that it was used to make the case for war.
The Floating Admiral was the first of the Detection Club's collaborative novels, in which 12 of its members wrote a single novel. Eighty-five years later, 14 members of the club have once again collaborated to produce The Sinking Admiral. The Admiral is a pub in the Suffolk seaside village of Crabwell, the Admiral Byng. The Admiral is also the nickname of its landlord, Geoffrey Horatio Fitzsimmons, as well as the name of the landlord's dinghy.