This is a work in progress. Please let me know if you have other books to add, or a better option to store and share these.
Understanding Bitcoin and Its Utility for SOCOM - 2022
https://dev.pdfhost.io/v/VSdYuYjsgz_AD1173467
Inventing Bitcoin - 2019
https://dev.pdfhost.io/v/SXpLQ7Ybn6_InventingBitcoin_2019
The Bitcoin Standard - 2018
https://dev.pdfhost.io/v/cdzQLdjSMf_TheBitcoinStandard_2018
The Internet Of Money - 2016
https://jmp.sh/s/jPPkFNM7o4VeSSUsfqyq
Mastering Bitcoin - 2016
https://jmp.sh/s/vvSGoynCGLV6nwsF5B58
The Book of Satoshi - 2014
https://jmp.sh/s/5kfYRi8sEuaX7c4TmNVA
Grokking Bitcoin: https://rosenbaum.se/book/
Not pdf per se, but you can print it as pdf.