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"Time has fascinated people for thousands of years. We have struggled to find ways to keep track of time and predict patterns in nature. Ancient people watched the skies to study nature's cycles and mark them in time. From these, calendars were born. Though we may not be aware of it, we live by the time we keep"--

Produktbeschreibung
"Time has fascinated people for thousands of years. We have struggled to find ways to keep track of time and predict patterns in nature. Ancient people watched the skies to study nature's cycles and mark them in time. From these, calendars were born. Though we may not be aware of it, we live by the time we keep"--
Autorenporträt
Dona does not know which is more fun-learning about the world through science, or writing books for children that tell all about it. She is glad she does not have to decide and can do both!