9780465025015 | Basic Books, October 4, 2011, cover price $36.00 | About this edition: “The whole thing was basically an experiment,” Richard Feynman said late in his career, looking back on the origins of his lectures.

9780465024933 | Basic Books, October 4, 2011, cover price $40.00 | About this edition: “The whole thing was basically an experiment,” Richard Feynman said late in his career, looking back on the origins of his lectures.

9780465024940 | Basic Books, October 4, 2011, cover price $40.00 | About this edition: “The whole thing was basically an experiment,” Richard Feynman said late in his career, looking back on the origins of his lectures.

9780465023820 | Basic Books, January 4, 2011, cover price $195.00 | About this edition: "The whole thing was basically an experiment," Richard Feynman said late in his career, looking back on the origins of his lectures.

9780805390650 | 2 edition (Addison-Wesley, January 8, 2011), cover price $44.00

9780805390667 | 2 edition (Addison-Wesley, September 30, 2010), cover price $44.00 | About this edition: This revised edition of Feynman’s legendary lectures includes extensive corrections Feynman and his colleagues received and Caltech approved, making this the definitive edition of The Feynman Lectures on Physics.

9780805390643 | 2 edition (Addison-Wesley, September 30, 2010), cover price $44.00

9780805390452 | 2 edition (Addison-Wesley, September 15, 2005), cover price $195.00 | About this edition: The revised edition of Feynman's legendary lectures includes extensive corrections and updates collated by Feynman and his colleagues.

9780805390636 | Addison-Wesley, August 2, 2005, cover price $39.95 | About this edition: This new volume contains four previously unpublished lectures that Feynman gave to students preparing for exams.

9780805390490 | Addison-Wesley, July 19, 2005, cover price $59.95 | About this edition: This revised edition of Feynman’s legendary lectures includes extensive corrections Feynman and his colleagues received and Caltech approved, making this the definitive edition of The Feynman Lectures on Physics.

9780805390476 | Addison-Wesley, July 11, 2005, cover price $59.95 | About this edition: This revised edition of Feynman’s legendary lectures includes extensive corrections Feynman and his colleagues received and Caltech approved, making this the definitive edition of The Feynman Lectures on Physics.

9780805390469 | Addison-Wesley, July 11, 2005, cover price $59.95 | About this edition: This revised edition of Feynman’s legendary lectures includes extensive corrections Feynman and his colleagues received and Caltech approved, making this the definitive edition of The Feynman Lectures on Physics.

9780201408256 | Reprint edition (Perseus Books, April 1, 1996), cover price $15.00 | About this edition: Explains the principles of physics in non-technical terms

9780201021165 | Addison-Wesley, June 1, 1963, cover price $44.00 | About this edition: This three-volume work was originally designed for a two-year introductory physics course given at the California Institute of Technology--a course designed to take advantage of students' increasing mathematical prowess and to provide a more comprehensive view of modern-day physics.