The Fortune Hunters

From Author Wars - https://authorwars.com/publications/the-fortune-hunters-363885.html

Overview:

Title: The Fortune Hunters
Author: Joan Aiken
Year: 1965
Publisher: Doubleday
Price: $3.50
Pages: 190
Binding: Hardcover
Type: Novel
Title Reference: The Fortune Hunters
Notes: Price and cover artist on front flap in ebay.com photo.