M. C. Beaton, hailed as the "Queen of Crime" by the Globe and Mail, was the author of the New York Times and USA Today bestselling Agatha Raisin novels—the basis for the hit series on Acorn TV and public television—as well as the Hamish Macbeth series. Born in Scotland, Beaton started her career writing historical romances under several pseudonyms as well as her maiden name, Marion Chesney. Her books have sold more than twenty-two million copies worldwide.

A long-time friend of M. C. Beaton, R. W. Green has written numerous works of fiction and non-fiction. He lives in Surrey with his family and a black Labrador called Flynn.