Got this on-sale from Centipede Press:
Long, Frank Belknap (S. T. Joshi, editor). Library of Weird Fiction: Frank Belknap Long. Centipede Press, 2022. First edition hardback, a Fine copy in a Fine dust jacket, still in shrinkwrap. Massive 800+ page collection of fiction by this contemporary and correspondent of H. P. Lovecraft. Bought for $40.
Tags: Books, Centipede Press, Frank Belknap Long, Horror, S. T. Joshi, small press publishers