Lammas Night is a fantasy novel by American-born author Katherine Kurtz, first published in paperback by Ballantine Books in 1983.
tells the story of a group of English witches
who act to save their country from Nazi
attack during World War II
. Woven within the story of their efforts are the visions and fragmented memories of one male witch, who gradually comes to realize his role in an ancient cycle of royal death, reincarnation, and sacrifice.