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The Story of Clocks and Calendars: Marking a Millennium by Betsy Maestro

The Story of Clocks and Calendars: Marking a Millennium

Betsy Maestro

48 pages • first pub 1999 (editions)

nonfiction history mathematics science informative medium-paced
Other editions (2)
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The Story of Clocks and Calendars by Betsy Maestro

The Story of Clocks and Calendars

Betsy Maestro

48 pages • first pub 1999 (editions)

nonfiction history mathematics science informative medium-paced
The Story Of Clocks And Calendars: Marking A Millennium by Betsy Maestro

The Story Of Clocks And Calendars: Marking A Millennium

Betsy Maestro

48 pages • first pub 1999 (editions)

nonfiction history mathematics science informative medium-paced