Six Easy Pieces
Richard P. Feynman & Robert B. Leighton & Matthew Sands
Six Not-So-Easy Pieces
Feynman Lectures On Computation
Richard P. Feynman
Feynman Lectures on Gravitation
Richard P. Feynman & Fernando B. Morinigo & William G. Wagner & David Pines
The Feynman Lectures on Physics, Vol. I
The Feynman Lectures on Physics (1)
The Feynman Lectures on Physics, Vol. III
The Feynman Lectures on Physics, Vol. II