The Trail of Cthulhu August Derleth The Trail of Cthulhu August Derleth · 1962 First published 16 years earlier Save Continue from here
At the Mountains of Madness H.P. Lovecraft At the Mountains of Madness H.P. Lovecraft · 1971 First published 7 years earlier Save Continue from here
The Black Cloud Fred Hoyle The Black Cloud Fred Hoyle · 1957 First published 21 years earlier Save Continue from here
