Timekeeping Explore The History And Science Of Telling Time With 15 Projects
by Sam Carbaugh
MeasurementsTime measurementsJUVENILE NONFICTION / History / Exploration & DiscoveryJUVENILE NONFICTION / Activity BooksJUVENILE NONFICTION / Technology / How Things Work-Are MadeTimeCalendarHistory
Writing a summary for young readers…
For young readers
Book data: Open Library