Books like Poseidon's Wake
Alastair Reynolds
Poseidon's Wake is 634 pages, about 11 hours 37 minutes at 250 words a minute.
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How long each takes
2312 10.4 h 
Record of a Spaceborn Few 6.6 h 
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Aurora 8.6 h 
Star Wars - Dawn of the Jedi - Into the Void 6.5 h 
The Collapsing Empire 6.2 h 
The Dragonriders of Pern 13.8 h 
Altered Carbon 8.8 h 
Mars 10.2 h 
The Hitchhiker's Guide to the Galaxy 4.0 h 
Titan 10.9 h 
Space Opera 5.6 h Bar height shows length. Estimated at 250 words a minute.