The Childe Cycle is an unfinished series of science fiction novels by Gordon R. Dickson. The name Childe Cycle is an allusion to Childe Roland to the Dark Tower Came, a poem by Robert Browning, which provided considerable inspiration for elements in Dickson's magnum opus.The series is sometimes referred to as the Dorsai series, as the Dorsai people are central to the series. The related short stories and novellas all center on the Dorsai, primarily members of the Graeme and Morgan families.