At the Mountains of Madness is one of the master-pieces by Lovecraft. The book describes a travel to Antartic where weird beings have been living for millions of years.
This novel is the longest of the stories that comprise his Dream Cycle. It can be considered a culminating achievement of that period of Lovecraft's writing. The novel combines elements of horror and
"The Shadow Over Innsmouth" is a short novel about a weird hybrid race of humans and creatures resembling a cross between a fish and a frog, which lives in the seaside village of Innsmouth.
This is a short novel by Lovecraft mixing horror and science fiction. The story introduces the Mi-Go, an extraterrestrial race of strange fungoid beings and makes many references to the Cthulhu Mythos