The Perilous Gard.
/ Elizabeth Marie Pope ; Illustrated by Richard Cuffari
- Boston, : Houghton Mifflin , 1974.
- 280 p. : illus. ; 22 cm.
In 1558 while imprisoned at Elwenwood Hall, a remote castle in northern England, teenaged Kate Sutton finds herself involved in a series of mysterious events that eventually bring her to an underground labyrinth peopled by the last practitioners of druidic magic.