Claim: Lonesome Dove is adapted from a western novel.
Evidence: It is a four-part adaptation of the 1985 novel of the same name by Larry McMurtry and is the first installment in the Lonesome Dove series.
Lonesome Dove is a 1985 western novel written by Larry McMurtry.
The Lonesome Dove series refers to a series of four western novels written by Larry McMurtry and the five television miniseries and two television series based upon them.