Books: Ghostly Spy

BELLE BOYD IN CAMP AND PRISON, edited by Curtis Caroll Davis. 448 pages. Yoseloff. $9.50.

In 1863, when Belle Boyd was 19, she was captured and imprisoned in Washington, D.C., as a Confederate spy. Her memoir records the following dialogue with the prison's superintendent:

"Tell Mr. Stanton from me, I hope that when I commence the oath of allegiance to the United States Government, my tongue may cleave to the roof of my mouth; and that if ever I sign one line that will show to the world that I owe the United States Government the slightest allegiance, I hope my arm may...