Bitcoin is a very new area. There’s tons of un-organized information online but there’s so few good books. The books below are both from the famous Bitcoin evangelist Andreas Antonopoulos. There’s so many people who know nothing about bitcoin keep bullshitting. He’s a real deal. You can also refer to his talk on youtube.
1. The Internet of Money by Andreas Antonopoulos
This book is target for the general public and explain more on why we need a bitcoin instead of how bitcoin works, which is a very technical topics. If you want to understand bitcoin without going into technical details. This is for you.