I really liked the calculus book by Swokowski. The books starts with a revision of the requirements to start learning derivatives, has sections dedicated to applications of that and then goes on to integrals, analytical geometry and differential equations. It will keep you entertained for months.

The AP Calculus material on Khan Academy is excellent. One thing they could add however is more material on the integration of hyperbolic functions (which isn't part of the core AP material).

I've been looking at Foundation Maths by Croft and Davison as a refresher for everything math, which includes calc