"Ada, a curious tinkerer, starts to experiment with hardware and software and, in the process, realizes how important it is for her and others to control technology"--
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.