Robert Bloch books in order
34 books in the catalogue, about 262 hours of reading in all; the shortest takes 4 hours and the longest 19 hours.
1 series and 32 standalone books in the catalogue.
Psycho tetralogy
6 books
Psycho II 5.8 h Psycho III length not known
Psycho House 4.0 h Psycho IV: The Beginning length not known
Psycho length not known
Bates Motel length not known
Standalone books
Psycho 3.7 h 
Shadows 4.1 h 
The Hugo Winners 5.9 h 
The Hugo Winners, Volumes One and Two 15.6 h 
The Seventh Galaxy Reader 4.5 h 
The Witchcraft Reader 4.0 h 
The Nightmare Reader 5.5 h 
American Gothic 4.1 h 
The Hounds of Hell 3.5 h 
Dark Forces 10.0 h 
Modern Masters of Horror 5.3 h 
The Arbor House Treasury of Horror and the Supernatural 11.0 h Great Short Tales of Mystery and Terror 11.7 h 
The Fantasy Hall of Fame [22 stories] 7.9 h 
The Golden Years of Science Fiction 13.3 h 
Murder Most Foul 6.5 h 
Witches 6.4 h 
Amazing Stories 4.7 h 
The Fantasy Hall of Fame [30 stories] 10.3 h 
The Twelve Frights of Christmas 4.8 h 
The Dark Descent 13.8 h 
The Best Horror Stories 7.3 h 
The Color of Evil 8.2 h 
Three Complete Novels (2 editions) 9.2 h 
Murder for Halloween 6.6 h 
Mysterious Erotic Tales 4.5 h 
Robert Bloch's Psychos 6.8 h 
Knights of Madness 5.4 h 
Scary! 4.1 h 
The 50 Greatest Mysteries of All Time 10.4 h 
The Vampire Archives 18.9 h 
Zombies! Zombies! Zombies! 14.9 h