Beatles Undercover to Agatha Christie in 6 Steps
- Beatles Undercover includes a chapter on Harry Nilsson
- Harry Nilsson wrote Guess Who's Coming To Lunch
- Guess Who's Coming To Lunch was published by Six Continents Music
- Six Continents Music published Ten Little Indians
- Ten Little Indians is partly inspired by And Then There Were None
- And Then There Were None is a novel by Agatha Christie