We live in a world where the medium of exchange is fiat. It may be a suitable medium of exchange; however, it is not a store of value.
My understanding of Bitcoin is based on what I learnt through The Investors Podcast, The Bitcoin Standard and a couple of articles written by Robert Breedlove.
The Book of Satoshi is an excellent attempt to bring together all the writings of Satoshi as he launched Bitcoin and his defence of the concepts he presented to its early adopters and contributors.
This is a must-read book for anyone who wants to know more about the mind of its creator.