The Mystery Boys and the Inca Gold; and, The Mystery Boys and Captain Kidd's Message
From Author Wars - https://authorwars.com/publications/the-mystery-boys-and-the-inca-gold-and-the-mystery-boys-and-captain-kidds-message-817777.html
Overview:
- Title: The Mystery Boys and the Inca Gold; and, The Mystery Boys and Captain Kidd's Message
- Author: Van Powell
- Year: Unknown
- Publisher: World Publishing Co.
- Pages: 564
- Binding: Hardcover
- Type: Omnibus
- Title Reference: The Mystery Boys and the Inca Gold
- Notes: Reginald lists the date as "193?". He also states that the second novel is not SF. However, it is listed in {{SFE}}.