Discoveries made by the earliest people through scientific inventions of the 20th century are organized chronologically in this atlas that will help readers understand how discoveries and inventions have sparked new ideas and spurred progress in many fields. 200+ full-color illustrations and archival photos.
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 $15. ThriftBooks.com. Read more. Spend less.