The Unsettled Dust is a bit of a curiosity in Faber and Faber's recent four-volume reissue of Robert Aickman collections as The Unsettled Dust is a posthumous reprint collection that duplicates one story from both F&F's Dark Entries AND The Wine-Dark Sea reissues ("Bind Your Hair") and two more from just The Wine-Dark Sea ("The Stains" and "The Next Glade"). Given that the F&F volumes are now the only Robert Aickman short-story collections available in mass-market editions, little or no duplication among collections would be ideal.
Nonetheless, any in-print, readily available Aickman is good. He's the master of a fairly rarefied type of ghost story, one for which he preferred the term "strange story." His stories will enthrall a (relatively) small readership. Most of Aickman's stories are too subtle for most readers, leaving them unmoved and confused as to Aickman's importance. And that's fine. He's one of the Boss Levels of horror/weird fiction.
Those who like him, like him a lot -- but not liking him doesn't make one a 'bad' reader. Indeed, Aickman's hypercritical views caused him to dislike or dismiss many stories and writers considered by many (including myself) to be classics and masters -- almost the entire oeuvre of M.R. James, much of Henry James, all of H.P. Lovecraft, to name three writers whom Aickman found seriously wanting. So if you find Robert Aickman seriously wanting, you're just following in the footsteps of... Robert Aickman.
The stories here are mostly excellent. The one misfire is "No Stronger Than a Flower," a strange story about female vanity that seems both dated and obnoxiously sexist. But that's more than offset by the strange and disturbing wonders of such stories as "The Cicerones." That story is almost a short model of the Aickman approach: the events of the story are rendered clearly and precisely, but no emphatic explanations are offered as to why things are happening. It's immensely disturbing. So, too, "The Stains," in which horror, romantic rapture, and erotic fixation combine in a story about a recently widowed man who falls in love with... well, that's a good question.
In all, this is probably the best Faber and Faber volume to introduce yourself or others to Aickman, covering as it does more than a decade of Aickman's best stories. And when you've read them, please explain to me what the Hell is actually going on in "The Stains." Or "The Cicerones." Highly recommended.