Devil to the Belt is an omnibus release from 2000 containing two novels by science fiction and fantasy author C. J. Cherryh, Heavy Time (1991), and Hellburner (1992). The books are set in Cherryh's Alliance-Union universe and are prequels to her Hugo Award-winning 1981 novel Downbelow Station. Both of the included works were nominated for the Locus Award for Best Science Fiction Novel in their respective years of eligibility. The novels and the omnibus printing were published by Warner Books, with some editions bearing the "Questar" or "Warner Aspect" imprints.