Foundations of Programming 2 is licensed under the Attribution-NonCommercial 3.0 Unported license. You should not have paid for this book.
You are basically free to copy, distribute, modify or display the book. However, I ask that you always attribute the book to me, Karl Seguin and do not use it for commercial purposes.
You can see the full text of the license at: http://creativecommons.org/licenses/by-nc/3.0/legalcode
The book is a work in progress with an expected finish date of early February 2011. New chapters should be released every week - or there about.
This is a follow up to the original foundations of programming. If you are interested, it would be a good idea (though not a necessity) to read the original first (hey, its free!): http://foundationsof.com/FoundationsOfProgramming.pdf