Captain Underhill Unlocks the Enigma : The Queen is in the Counting House and Don't Touch That Dial!
2005
Captain Underhill Unmasks the Murderer : The Legacy of Euriah Pillar and The Case of the Indian Flashlights
2005
Captain Underhill Uncovers the Truth : behind Edgar Allan Crow and the Purloined, Purloined Letter
2005
Captain Underhill Uncoils the Mystery : The Cobra in the Kindergarten and The Whirlpool
2005
Murder from the Bridge Plus Six More: Captain Underhill Mysteries, Part 2
2025
The Junebug Mystery Plus Six More: Captain Underhill Mysteries, Part 1
2025