Books like Songs of the Dying Earth
George R. R. Martin, Gardner Dozois, Arthur Morey
Songs of the Dying Earth is 665 pages, about 12 hours 12 minutes at 250 words a minute.
12 books to read next
How long each takes
Dune Messiah 5.1 h 
Lord Valentine's Castle 8.6 h 
Heretics of Dune 9.8 h 
The Illustrated Man 4.6 h 
The Girl Who Heard Dragons 6.5 h 
True Names 5.9 h 
The Science Fiction Hall of Fame 10.2 h 
Pebble in the Sky 4.1 h 
Nightfall 6.2 h 
Dark Matter 7.8 h 
Snow White, Blood Red 7.5 h 
Reaper's Gale 17.0 h Bar height shows length. Estimated at 250 words a minute.