Mary Roberts Rinehart

This is a Project Gutenberg edition released in 2005. From Encyclopedia.com: Rinehart published 11 full-length mysteries in which she fully exploited the "buried story"—a sequence of events never narrated in the novel and emerging only as "outcroppings," places at which material about the past of the characters supplies clues to the solution of the mystery. Rinehart's buried stories most often center on errors of passion leading to sexual alliances...