This is Einstein's seminal work explaining the theory of relativity in simpler terms for a general audience. It covers both the special theory (which deals with objects moving at constant speeds) and the general theory (which expands to include gravity and acceleration).
ThriftBooks sells millions of used books at the lowest everyday prices. We personally assess every book's quality and offer rare, out-of-print treasures. We deliver the joy of reading in recyclable packaging with free standard shipping on US orders over $20. ThriftBooks.com. Read more. Spend less.