The CryptoParty Handbook

https://cryptoparty.org/wiki/CryptoPartyHandbook

The 392 page, Creative Commons licensed handbook is designed to help those with no prior experience to protect their basic human right to Privacy in networked, digital domains. By covering a broad array of topics and use contexts it is written to help anyone wishing to understand and then quickly mitigate many kinds of vulnerability using free, open-source tools. Most importantly however this handbook is intended as a reference for use during Crypto Parties.