Books like The Timetables of History
Bernard Grun
The Timetables of History is 676 pages, about 12 hours 24 minutes at 250 words a minute.
9 books to read next
How long each takes
Presenting Your Findings 2.9 h 
Candlestick Charting Explained 5.5 h 
Chronicle of the Year 1987 24.9 h 
The Functional Art 7.0 h 
Good Charts 4.7 h 
The Calendar 6.8 h 
Elements of Solar Eclipses, 1951-2200 1.9 h 
The Elements 4.4 h 
American Practical Navigator 12.7 h Bar height shows length. Estimated at 250 words a minute.