Crazy Bett by Michael J. O'Neal
Approx. 137,480 words.
Published on February 1, 2009.
Her neighbors in Richmond, Virginia, called her Crazy Bett. Her name was Elizabeth Van Lew, and during the Civil War Elizabeth ran a Union spy ring in the capital of the Confederacy—pulling it off by posing as a madwoman. Crazy Bett is based on historical events and takes a sometimes light-hearted look at the world of Civil War espionage