Hippocampus has two new books listed as forthcoming for October 2023. One is To Worlds Unknown: The Letters of Clark Ashton Smith, Donald Wandrei, Howard Wandrei, and R.H. Barlow, being…

The joint correspondence of four titans of the Lovecraft Circle [which] sheds fascinating light on the complex interplay of the personal and professional lives of these writers, artists, editors, and collectors. […] H.P. Lovecraft is a focal point of discussion in all the correspondence.

The other book is Interplanetaries: The Complete Interplanetary Tales of Clark Ashton Smith. In just over 300 pages, for $20.