Fields of Sleep
E. C. Vivian
 The novel concerns English adventurer Victor Marshall who is hired to find a fellow Englishman who is lost in Asiatic Sapelung. Marshall discovers a hidden valley and is imprisoned by its inhabitants who are descended from ancient Chaldean colonists. The inhabitants are dependent on a narcotic flower whose fragrance produces ecstasy. Marshall finds his countryman living among the inhabitants. After a flood, the flowers are destroyed and without it, the inhabitants including Marshall's countryman perish. Not dependent on the flower, Marshall survives.