Books like Bitcoin for Dummies
Prypto
Bitcoin for Dummies is 200 pages, about 3 hours 40 minutes at 250 words a minute.
8 books to read next
How long each takes
Mastering Bitcoin: Unlocking Digital Cryptocurrencies 6.6 h 
The Basics of Bitcoins and Blockchains 7.5 h 
Blockchain 3.8 h 
Digital Gold 7.6 h 
Bitcoin and Cryptocurrency Technologies 5.9 h 
Blockchain Revolution 6.4 h 
Cryptocurrency 6.8 h 
The Age of Cryptocurrency 6.8 h Bar height shows length. Estimated at 250 words a minute.