Colorado Parks & Wildlife Research Library

Dr. Hawley Harvey Crippen murdered his wife and tried to escape London on a ship to America in the early twentieth century. He was caught in part due to the new invention of the wireless by Guglielmo Marconi, which was used on the ship. Larson draws from letters, memoirs, Scotland Yard reports, and other documents in telling the story and filling in its historical context of the Edwardian era.

Turn-of-the-century Cornwall turns unexpectedly dangerous for amateur sleuths Lord and Lady Sheridan as they investigate a case of sabotage and death at a local transmission station for the new wireless communications technology.