Books like The Great Pyramid
Elizabeth Mann
The Great Pyramid is 48 pages, about 53 minutes at 250 words a minute.
9 books to read next
How long each takes
Mummies and Pyramids 2.2 h 
Pyramid 1.3 h 
You Wouldn't Want to Be an Egyptian Mummy 35 min 
Mummies, Pyramids, and Pharaohs 35 min 
The Awesome Egyptians 2.4 h 
Tut's Mummy 51 min 
Ancient Egypt 1.3 h 
Pyramid 1.5 h 
Egypt in Spectacular Cross-section 35 min Bar height shows length. Estimated at 250 words a minute.