4to-over 9¾"-12" tall. First published in 1963, this book is the sixth

4to-over 9¾"-12" tall. First published in 1963, this book is the sixth printing from Feburary 1977. "This book is based upon a course of lectures in introductory physics given by Prof. Richard Feynman at the California Institute of Technology during academic year 1961-1962; it covers the first year of the two-year introductory course taken by all Caltech freshman and sophmores, and was followed in 1962-63 by a similiar series covering the second year. The lectures constitute a major part of a fundamental revision of the introductory course, carried out over a four-year period. The need for a basic revision arose both from the rapid development of physics in recent decades and from the fact that entering freshmen have shown a steady increase in mathematical ability as a result of improvements in high school mathematical background, and also to introduce enough modern subject matter to make the course challenging, interesting, and more representative of present-day physics." FINE-SOFTCOVER.