Cain Series Book 1

Sisters of Cain

In Washington City in 1862, President Lincoln rallies the Union troops for the largest single campaign of the Civil War. And two sisters from Seneca Falls take their places among the players of history, sparked by the fires of conviction…

As part of the new special intelligence force of the Treasury, Bronwyn Llyr finds herself undercover and behind the lines. Her sister Kathryn volunteers as a nurse for the Union Army. In the heart of enemy territory and in the thick of battle, the two sisters must solve a baffling mystery, and thwart a Rebel conspiracy that threatens both their lives-and the entire outcome of the war…


Monfredo spins a clever, suspenseful tale. . . She's at her best pulling plot twists out of actual events. Her research is evident on every page.

— Publishers Weekly

An enthralling tale with all the elements—suspense, mystery, humor, and even a little romance. The drama and detail of the Civil War is a character in and of itself.

— Centuries and Sleuths Bookstore

Monfredo's style of writing captures the essence of a period when the nation was at war with itself.

— Battlefield Journal

Shifting genres with the generations, this innovative mid-19th century American series has spiraled from murder mysteries stalked by gender and ethnic tensions in western New York into espionage thrillers. . .[set during] the opening gambits of the fratricidal Civil War.

— Kirkus Reviews

Monfredo successfully blends history and fiction, feminism, nationalism, medicine, romance, and espionage. . . most entertaining.

— Library Journal

As always, Monfredo astounds us with the depth of her research. . . so artfully blended into her fiction.

— Chicago Tribune

. . . a marriage of history and mystery with a sharp and sharp and sharp-witted feminist viewpoint.

— Publishers Weekly