Books like Buzan's Book of Genius
Tony Buzan
Buzan's Book of Genius is 256 pages, about 4 hours 42 minutes at 250 words a minute.
10 books to read next
How long each takes
The Prodigy 5.5 h 
Mental Floss 3.9 h 
Legion 1.6 h 
Hidden Habits of Genius 6.2 h 
The Interestings 10.3 h 
Leonardo Da Vinci 11.0 h 
Genius 15.3 h 
Creating Minds 8.7 h 
Gemiedene Schlüssel 3.3 h 
A Madman Dreams of Turing Machines 4.2 h Bar height shows length. Estimated at 250 words a minute.