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A perfect introduction to mathematical concepts for young readers, written by a Newbery honor-winning author!
This colorfully illustrated biography of the Greek philosopher and scientist Eratosthenes, who compiled the first geography book and accurately measured the globe's circumference, is just right for budding mathematicians, scientists, historians, and librarians! Filled with fascinating details about Eratosthenes's world (and in print since 1994), kids are sure to flip through the pages time and again.

3 comments on “The Librarian Who Measured the Earth”

  1. An Inspiring Book for Young Readers Great book. I ordered this not knowing it was for "children." I wanted to know more about Eratosthenes, so I ordered what I thought was his biography. Well, when it came I was a bit nonplussed when I saw it was a book for young children, but I thought I'd just give it to my grandson when he got older. I started reading it anyway, and I was amazed at how well the author explained how Eratosthenes figured how so many complex things, like the circumference of the earth! It was quite an...

  2. NEVER UNDERESTIMATE YOUR LIBRARIAN! .....OR YOURSELF! The combined talents of Kathryn Lasky and Kevin Hawkes have made several really amazing books available to a wide age group of students. The text is clear and interesting. The characters come across as real people; people you would find interesting to know. As a read aloud for young children it demonstrates how mathematical learning is connected to everyday objects, occurrences, and problems. The illustrations are historically accurate and provide an opportunity to teach children to use the...

  3. Have genius, will measure! It is amazing how the union of art and words can produce a book so full of wonders. How to count them? How to describe them? Perhaps the bibliography is the place to begin. The writer Kathryn Lasky consulted nine sources for the information incorporated into the story of Eratosthenes; Kevin Hawkes, the illustrator, used sixteen.Each double-page spread of illustration displays the artist's extensive knowledge of all things Greek and Cyrenian (Greek city on the coast of Africa in what...

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