My recommendation is "Concrete Mathematics", by Graham, Knuth, and Patashnik. (http://www.amazon.com/Concrete-Mathematics-Foundation-Computer-Science/dp/0201558

My recommendation is "Concrete Mathematics", by Graham, Knuth, and Patashnik. (http://www.amazon.com/Concrete-Mathematics-Foundation-Computer-Science/dp/0201558025 http://www.amazon.com/Concrete-Mathematics-Foundation-Comput...) It is excellently written, but by no means a light read. If you put in the time and effort, you will come out on the other side with a great foundation, and deep understanding and mastery of the topics. However, it's definitely not an introductory book, and some background in math will be very helpful. I'd also check out these threads: Ask HN: Best Mathematics book for complete noobie? http://news.ycombinator.com/item?id=755043 http://news.ycombinator.com/item?id=755043 Ask HN: good math books http://news.ycombinator.com/item?id=665029 http://news.ycombinator.com/item?id=665029 Ask HN: Learning advanced math http://news.ycombinator.com/item?id=1753029 http://news.ycombinator.com/item?id=1753029