Discrete Mathematics and it's applications - Kenneth Rosen http://www.bookdepository.com/Discrete-Mathematics-Its-Applications-Kenneth-Rosen/9780071315012 http:

Discrete Mathematics and it's applications - Kenneth Rosen http://www.bookdepository.com/Discrete-Mathematics-Its-Applications-Kenneth-Rosen/9780071315012 http://www.bookdepository.com/Discrete-Mathematics-Its-Appli... Once you finish that, get to Concrete Mathematics by Donald Knuth et. al.