Books like Engines of Creation
K. Eric Drexler
Engines of Creation is 298 pages, about 5 hours 28 minutes at 250 words a minute.
10 books to read next
How long each takes
Crossing the Chasm 4.3 h 
Profiles of the Future 4.3 h 
Job, a Comedy of Justice 6.9 h 
Looking Backward, 2000-1887 5.1 h 
The Shape of Things to Come 7.9 h 
Nostradamus 4.1 h 
Nostradamus 6.4 h 
Set the Trumpet to Thy Mouth 3.1 h 
Socialism 6.6 h 
A Choice of Catastrophes 6.9 h Bar height shows length. Estimated at 250 words a minute.