Visitors to the Inner Earth: True Tales of Subterranean Journeys
Professor Solomon (who describes himself as an amateur professor) is the author of "How to Find Lost Objects" (1995), "Japan in a Nutshell" (1997), "How to Make the Most of a Flying Saucer Experience" (1998), "Coney Island" (1999), "The Book of King Solomon" (2005), and "Visitors to the Inner Earth" (2011).