Lisa's Date with Density a child from Josh Weinstein's school days who everyday would get onto the bus with a piece of toast, which had Vaseline on it. A majority of the story is a reference to the film "Rebel Without a Cause". Lisa remarks that Nelson is "like a riddle wrapped in an enigma wrapped in a vest", a reference to "a riddle wrapped in a mystery inside an enigma"; this was Winston Churchill's opinion of Russia at the outbreak of the World War II. In its original broadcast, "Lisa's Date with Density" finished 63rd in ratings for the week of December 9–15,
The Riddle of the Sands by the TV movie "Das Rätsel der Sandbank" (1984), produced by the public television and radio station Radio Bremen, and starring Burghart Klaußner as Davies and Peter Sattmann as Carruthers. In 1998, nautical writer Sam Llewellyn wrote a continuation of the story named "The Shadow in the Sands". This is subtitled "being an account of the cruise of the yacht "Gloria" in the Frisian Islands in April of 1903 and the Conclusion of the Events described by Erskine Childers." The Riddle of the Sands The Riddle of the Sands: A Record of Secret Service is a 1903 novel by Erskine