Missing Page Thirteen by Anna Katharine Green - Audiobook

Missing: Page Thirteen, by Anna Katharine Green.

Violet Strange, a clever petite detective, is called upon to solve the mystery of a page gone missing from an important document. The futures of several people, including an eccentric misanthrope, a chemical scientist, a bride and groom, depend on the quick resolution of this problem. In solving one mystery, she uncovers another which dates back many years.
(Summary by Bev J. Stevens)