Books like The Secret of Excalibur
Andy McDermott
The Secret of Excalibur is 517 pages, about 9 hours 29 minutes at 250 words a minute.
12 books to read next
How long each takes
A Season in Hell 5.9 h 
The Gray Man 7.3 h 
The Eleventh Commandment 7.4 h 
The Target 7.9 h 
Orphan X 7.3 h 
The Thomas Berryman Number 4.7 h 
Gone 7.6 h 
Rogue Male 3.5 h 
The Prisoner of Heaven 5.8 h 
Robert Ludlum's The Bourne Sanction 10.3 h 
Season of the Machete 5.4 h 
It 21.4 h Bar height shows length. Estimated at 250 words a minute.