M. V. Carey books in order
9 books in the catalogue, about 26 hours of reading in all; the shortest takes 3 hours and the longest 3 hours.
1 series and 8 standalone books in the catalogue.
The Three Investigators
37 books 1 
The Secret of Terror Castle 3.0 h 2 
The Mystery of the Stuttering Parrot 3.1 h 3 
The Mystery of the Whispering Mummy 2.9 h 4 
The Mystery of the Green Ghost 3.2 h 5 
The Mystery of the Vanishing Treasure 2.8 h 6 
The Secret of Skeleton Island 2.9 h 7 
The Mystery of the Fiery Eye 2.7 h 8 
The Mystery of the Silver Spider 2.7 h 9 
The Mystery of the Screaming Clock 3.3 h 
The Mystery of the Talking Skull 3.0 h 
The Mystery of the Singing Serpent 2.8 h
The Secret of Terror Castle 3.0 h 2 The Mystery of the Stuttering Parrot 3.1 h 3 The Mystery of the Whispering Mummy 2.9 h 4 The Mystery of the Green Ghost 3.2 h 5 The Mystery of the Vanishing Treasure 2.8 h 6 The Secret of Skeleton Island 2.9 h 7 The Mystery of the Fiery Eye 2.7 h 8 The Mystery of the Silver Spider 2.7 h 9 The Mystery of the Screaming Clock 3.3 h 10 The Mystery of the Moaning Cave length not known
11 The Mystery of the Talking Skull 3.0 h 12 The Secret of the Crooked Cat length not known
12 The Mystery of the Laughing Shadow length not known
14 The Mystery of the Coughing Dragon length not known
16 The Mystery of the Nervous Lion length not known
16 The Mystery of the Purple Pirate length not known
17 The Mystery of the Singing Serpent 2.8 h 19 The Secret of Phantom Lake length not known
23 The Mystery of The Invisible Dog length not known
44 The Case of the Weeping Coffin length not known
The Mystery of the Sinister Scarecrow length not known
Crimebusters #1 Hot Wheels length not known
Crimebusters #11, Fatal Error length not known
Crimebusters #2, Murder to go length not known
Crimebusters #3, Rough Stuff) length not known
Crimebusters #5, An Ear for Danger length not known
Crimebusters #6, Thriller Diller length not known
Crimebusters #9, Foul Play length not known
The Mystery of the Creep-Show Crooks length not known
The Mystery of the Dead Man's Riddle length not known
The Mystery of the Missing Mermaid length not known
The Mystery of the Rogues' Reunion length not known
The Mystery of the Smashing Glass length not known
The Mystery of the Trail of Terror length not known
The Mystery of the Two-toed Pigeon length not known
The Mystery of the Wreckers' Rock length not known
The Secret of Shark Reef length not known
Standalone books
The Mystery of the Flaming Footprints 2.9 h 
The Mystery of Monster Mountain 2.9 h 
The Secret of the Haunted Mirror 2.7 h 
The Mystery of the Invisible Dog 2.8 h 
The Mystery of Death Trap Mine 2.8 h 
The Mystery of the Magic Circle 2.9 h 
The Mystery of the Blazing Cliffs 2.9 h 
The Mystery of the Missing Mermaid 2.9 h