 The module describes the realm of Thorbardin, which is mapped using repeating modular map pieces.DL4 "Dragons of Desolation" was written by Tracy Hickman and Michael Dobson, with Harold Johnson and Bruce Nesmith, with a cover by Keith Parkinson and interior illustrations by Larry Elmore and Jeff Butler, and was published by TSR in 1984 as a 32-page booklet with an outer folder and a large map.