Originally posted by adam warlock
They are now free to read: http://www.feynmanlectures.caltech.edu/
Enjoy, marvel and learn with them.
Originally posted by sonhouse
I have the books, all four volumes, it certainly is worth reading.
Originally posted by Paul Dirac II
Somewhere around the house I've got three volumes, red softcover.
Maybe a fourth volume came out in the last 30 years?