Books like Ancient Blood
Diane Carey
Ancient Blood is 280 pages, about 5 hours 8 minutes at 250 words a minute.
6 books to read next
How long each takes
Star Trek The Next Generation - Do Comets Dream? 4.8 h 
Star Trek The Next Generation - Debtors' Planet 4.8 h 
Star Trek The Next Generation - Vendetta - The Giant Novel 7.3 h 
Star Trek Stargazer - Three 4.9 h 
Star Trek - The Badlands, Book One 5.6 h 
Star Trek Stargazer - Gauntlet 4.9 h Bar height shows length. Estimated at 250 words a minute.