The Open Data Handbook is available online under a Creative Commons Attribution license:
This handbook discusses the legal, social and technical aspects of open data. It can be used by anyone but is especially designed for those seeking to open up data. It discusses the why, what and how of open data – why to go open, what open is, and the how to ‘open’ data.
Original title and link: The Open Data Handbook: The Why, What, and How ( ©myNoSQL)