Richard Feynman. Six not so easy pieces. Occasion, bon état, relié.

These SIX NOT-SO-EASY PIECES are drawn from Feynman’s celebrated introductory course of lectures on physics. They delve into the most revolutionary discovery of twentieth-century physics: Einstein’s theory of relativity. ‘In these lectures everything you’ve ever heard about Feynman’s wit and genius comes true’ — John Horgan