For anyone who wants to delve into the history of science and technology, 30, 000 Years of Inventions provides a chronological look at the breaktrhoughs, discoveries, and systems of inventions that have changed human life. From looms and sundials to personal computers and Post-It Notes, readers will learn the details and significance of man's greatest achievements. Two page entries include revealing text and illuminating images for each invention. | 30 000 Years Of Invention by Tom Craughwell, Hardcover | Indigo Chapters