THE SHADOW OUT OF TIME is a Cthulhu Mythos story, first published in the June 1936 issue of Astounding Stories. The story follows Professor Nathaniel Wingate Peaslee, who suffers a sudden mental collapse in 1908, losing his memory for five years. During this period, his body is controlled by an unknown intelligence while his own consciousness experiences life in a vast prehistoric era, housed within the body of a member of the Great Race of Yith—an ancient, time-traveling alien species that exchanges minds with beings across time to gather knowledge.

AZATHOTH was written in June of 1922, later published in Leaves in 1938. "A terrible pilgrimage to seek the nighted throne of the far daemon-sultan Azathoth."

THE INVADERS is a Cthulhu Mythos short story by Henry Kuttner. Written under the pseudonym Keith Hammond, it was first published in the February 1939 edition of Strange Stories. The tale tells of a unique writer, who accidentally unleashes the hellspawn of a forgotten age upon the Earth.

THE ELECTRIC EXECUTIONER is a short story by Lovecraft and Adolphe de Castro, first published in the August 1930 edition of Weird Tales. "An investigator for a mining colony finds himself at the mercy of a deranged inventor's bizarre killing machine."

THE QUEST OF IRANON, a Dream Cycle story first published in the July/August edition of Galleon in 1935, tells of a golden-haired youth who wanders into the city of Teloth, telling tales of the great city of Aira, where he was prince.

THE WARDER OF KNOWLEDGE is a Cthulhu Mythos story by Richard F. Searight, unpublished during his lifetime. Lovecraft read the story, saying of it: "I like the story exceedingly." It was first published in the 1992 mythos collection, TALES OF THE LOVECRAFT MYTHOS. In pursuit of omniscience, Professor Gordon Whitney dares to summon the ageless Warder of Knowledge, and finds that some secrets are guarded by horrors beyond human imagining.

THE DIARY OF ALONZO TYPER tells of an occult researcher, who, following a journey to an abandoned, isolated house in upstate New York, disappears without a trace. The story was first published in the February 1938 edition of Weird Tales.

THE HORROR AT RED HOOK was first published in the January 1927 issue of Weird Tales Magazine. In the story, a detective recounts how a federal investigation into a mysterious recluse left him with a phobia of large buildings.

THE DARK DEMON is a Cthulhu Mythos story by Robert Bloch, first published in the November 1936 edition of Weird Tales. "The strange story of a man who communed too closely with things from beyond space."

WINGED DEATH is a short story by H. P. Lovecraft and Hazel Heald, first published in the March 1934 edition of Weird Tales. "A mysterious death, a maddened diary, and an unholy insect converge to expose a tale of obsession and revenge in the sweltering heart of Africa."