I saw this posted on Amazon, here's the blurb for The Best of Glen Cook, due November 5, 2019:
The best short fiction of legendary author Glen Cook (The Black
Company, the Dread Empire) is collected into a new hardcover volume.
For over forty years, Glen Cook has been among the most well-known,
influential, and widely respected authors in science fiction and
fantasy. Through classic series such as The Black Company, Garrett P.I.,
the Dread Empire, Starfishers, Darkwar, and more, his gritty,
down-to-earth style left an indelible impression on his readers around
the world, forever shifting the genre landscape and carving out his
place as a pioneering icon.
The Best of Glen Cook collects
eighteen of his greatest stories—as chosen and introduced by the author
himself—including a new, never-before-published Black Company
novelette. With works set in all of his most famous series, these tales
of science fiction and fantasy offer both the perfect way for longtime
fans to trace Cook’s history and for new readers to become familiar with
one of the finest genre authors of the twentieth century.