The Silver Sphinx is a novel written by A. Gail Combs and first published in 1921. The story follows the adventures of a young woman named Marion Grey who inherits a mysterious silver sphinx from her late uncle. The sphinx is said to hold the key to a great treasure, and Marion sets out on a journey to uncover its secrets. Along the way, she encounters a cast of colorful characters, including a handsome archaeologist, a cunning thief, and a sinister...