This sounds fab. S.T. Joshi’s fave mythos stories collected in one volume (forthcoming)…

Spawn of the Green Abyss

“The House of the Worm” (1933) by Mearle Prout.
“Far Below” (1939) by Robert Barbour Johnson.
“Spawn of the Green Abyss” (1946) by C. Hall Thompson.
“The Deep Ones” (1969) by James Wade.
“The Franklyn Papers” by Ramsey Campbell.
“Where Yidhra Walks” by Walter C, DeBill, Jr.
“Black Man with a Horn” by T.E.D. Klein.
“Nethescurial” by Thomas Ligotti.
“Black Brat of Dunwich” by Stanley C. Sargent.
“The Phantom of Beguilement” by W.H. Pugmire.
“…Hungry…Rats” by Joseph S. Pulver, Sr. (new in this edition).
“Virgin’s Island” by Donald Tyson (new in this edition).