H. P. Lovecraft books in order
40 books in the catalogue, about 266 hours of reading in all; the shortest takes 1 hour and the longest 19 hours.
1 series and 38 standalone books in the catalogue.
Dream Cycle
22 books The White Ship length not known
Nyarlathotep length not known
Polaris length not known
The Cats of Ulthar length not known
The Doom that Came to Sarnath length not known
Ex Oblivione length not known
The Nameless City length not known
Celephaïs length not known
Hypnos length not known
What the Moon Brings length not known
The Hound length not known
The Outsider length not known
The Silver Key length not known
The Strange High House in the Mist length not known
The Dreams in the Witch House length not known
The Other Gods length not known
The Quest of Iranon length not known
Azathoth length not known
The Thing in the Moonlight length not known
The Case of Charles Dexter Ward 2.3 h The Dream-Quest of Unknown Kadath 2.9 h Through the Gates of the Silver Key length not known
Standalone books
The Lurker at the Threshold 3.5 h 
The Dream-quest of Unknown Kadath 4.4 h 
The Dunwich Horror 7.5 h 
Dagon, and Other Macabre Tales 5.8 h 
The Colour Out of Space 4.1 h 
At the Mountains of Madness 3.5 h 
The Horror in the Museum and Other Revisions 7.0 h 
Tales of the Cthulhu Mythos, Volume 1 4.4 h 
The Shuttered Room 3.1 h 
The Lurking Fear and Other Stories 3.6 h 
The Nightmare Reader 5.5 h 
The Hounds of Hell 3.5 h 
The Dracula Book of Great Vampire Stories 5.3 h 
New Tales of the Cthulhu Mythos 5.6 h 
The Arbor House Treasury of Horror and the Supernatural 11.0 h Great Short Tales of Mystery and Terror 11.7 h 
Novels 7.5 h 
The Fantasy Hall of Fame [22 stories] 7.9 h 
Herbert West 1.1 h 
The Twelve Frights of Christmas 4.8 h 
H.P. Lovecraft (2 editions) 1.7 h 
The Dark Descent 13.8 h 
The Mammoth Book of Classic Science Fiction 10.5 h 
Tales of the Cthulhu Mythos 9.7 h 
The Color of Evil 8.2 h 
The Oxford Book of Gothic Tales 9.8 h 
Watchers Out of Time 5.3 h 
Cuentos de Terror 3.2 h 
The Annotated H.P. Lovecraft 6.6 h 
The Call of Cthulhu and Other Weird Stories 7.7 h 
Black Seas of Infinity 9.8 h 
The Thing on the Doorstep and Other Weird Stories 8.1 h 
Graphic Classics 2.6 h 
Necronomicon 16.1 h 
The Vampire Archives 18.9 h 
Shadow Over Innsmouth 2.0 h 
Zombies! Zombies! Zombies! 14.9 h 
The Call of Cthulhu 1.2 h