Books like Knights of Madness
Peter Haining, Terry Pratchett, Tom Sharpe, Jerome K. Jérôme, G. K. Chesterton, Mervyn Peake, Robert Bloch, Ray Bradbury, Peter S. Beagle, Philip K. Dick
Knights of Madness is 295 pages, about 5 hours 25 minutes at 250 words a minute.
12 books to read next
How long each takes
Ship of Magic 12.8 h 
Equal Rites 4.8 h 
Sourcery 5.9 h 
Witches Abroad 5.9 h 
Men at Arms 6.7 h 
Thief of Time 7.0 h 
Three Men in a Boat 3.4 h 
Lords and Ladies 6.9 h 
Legends 12.4 h 
Pyramids 6.7 h 
The Fantasy Hall of Fame [30 stories] 10.3 h 
Dangerous Women 14.4 h Bar height shows length. Estimated at 250 words a minute.