Books like The Labyrinth Index
Charles Stross
The Labyrinth Index is 374 pages, about 6 hours 51 minutes at 250 words a minute.
12 books to read next
How long each takes
Brave New World 4.4 h 
Lady Susan 1.8 h 
Lady of Quality 5.2 h 
The Toll-Gate 5.3 h 
Cousin Kate 5.9 h 
Small Island 8.2 h 
Goldfinger 5.7 h 
Sexing the Cherry 3.1 h 
Evening and the Morning 16.1 h 
The Man from St. Petersburg 6.3 h 
The Island of Dr. Moreau 3.1 h 
Animal Farm / Nineteen Eighty-Four 6.6 h Bar height shows length. Estimated at 250 words a minute.