Tick-tock! : measuring time
What time is it . . . and how do you know? This fact- and photo-filled Smithsonian Penguin Young Reader will fill you in on how people first began measuring time and why knowing "when" is important. Time is when things happen and how long they take to happen--but how long is all that ? The...
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Format: | BOOK |
Language: | ENGLISH |
Published: |
Penguin Young Readers, an imprint of Penguin Random House
2018
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Series: | Penguin young readers. Level 4 |
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