2017 READING CHALLENGE
This year is coming to a close, which means it’s time to […]
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ATTENTION: This item is an eBook. It can be read on iOS, Android, MAC and PC's with a supported eReader. It is not a physical book. eBooks are available via download immediately after you've checked out.
Covers length, area, volume, weight, energy, temperature, time, geometry, speed, and more
Contains up-to-date information, including computer file and storage measurements
Provides more than 120 conversion tables and charts
Published in collaboration with the Smithsonian Institution, America's foremost authority in history, science, and art.
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