I second SICP. I would definitely look at eh SICP video series filmed at HP a while back: http://groups.csail.mit.edu/mac/classes/6.001/abelson-sussman-lectures

I second SICP. I would definitely look at eh SICP video series filmed at HP a while back: http://groups.csail.mit.edu/mac/classes/6.001/abelson-sussman-lectures/ http://groups.csail.mit.edu/mac/classes/6.001/abelson-sussma... I went through these after a rigorous college CS experience and several years of work experience and still found "ah ha!" moments. It's a good solid foundation in 30 or so hours. The text is also available online for free.