Seaton Begg and his constant companion, pathologist Dr 'Taffy' Sinclair, both head the secret British Home Office section of the Metatemporal Investigation Department - an organization whose function is understood only by the most high-ranking government people around the world - and a number of powerful criminals. Begg's cases cover a multitude of crimes in dozens of alternate worlds, generally where transport is run by electricity, where the internal combustion engine is unknown, and where giant airships are the chief form of international carrier. He investigates the murder of English Prime Minister 'Lady Ratchet,' the kidnaping of the king of a country taken over by a totalitarian regime, and the death of Geli Raubel, Adolf Hitler's mistress. Other adventures take him to a wild west where 'the Masked Buckaroo' is tracking down a mysterious red-eyed Apache known as the White Wolf; to 1960s' Chicago where a girl has been killed in a sordid disco; and to an independent state of T