Products

Sale

A Treasure of Measures -- Mike Downs, Hardcover ~~$18.99~~ $13.99 /
Sale

About Time: A History of Civilization in Twelve Clocks -- David Rooney, Paperback ~~$18.95~~ $13.99 /
Sale

Math Practice Workbook Grades 6-8: 1000+ Questions You Need to Kill in Middle School by Brain Hunter Prep -- Brain Hunter Prep, Paperback ~~$19.99~~ $17.99 /
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Measurement -- Paul Lockhart, Paperback ~~$25.00~~ $21.99 /
Sale

The Perfectionists: How Precision Engineers Created the Modern World -- Simon Winchester, Paperback ~~$19.99~~ $13.99 /