Fred Wilson recommended this one today in his VC blog. He's big into crypto.
MV = PQ
“Mastering Bitcoin: Unlocking Digital Cryptocurrencies” by Andreas Antonopoulos
“The Internet of Money” by Andreas Antonopoulos
“The Internet of Money (Volume 2)” by Andreas Antonopoulos
"Mastering Ethereum: Building Smart Contracts and Dapps" by Gavin Wood and Andreas Antonopoulos (Available for Preorder)
“Digital Gold” by Nathaniel Popper
“Cryptoassets” by Chris Burniske and Jack Tatar
But, the internet is also your best resource.