Famous Mysteries

From Author Wars - https://authorwars.com/publications/famous-mysteries-601225.html

Overview:

Title: Famous Mysteries
Author: Mary Yost Sandrus
Year: 1955
Publisher: Scott, Foresman and Company
Pages: 298
Binding: Hardcover
Type: Anthology
Title Reference: Dr. Jekyll and Mr. Hyde
Notes:
• OCLC is the source for the contents Catalog ID (back cover) and contents' page numbers from ebay.com photos. The copyright page says "The Mystery of Monsieur Pliny" is copyright 1945, but it's from the June 22, 1946 issue of Liberty.