

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.
It takes about 5 Hours and 30 minutes on average for a reader to read The Librarian Who Measured The Earth. This is based on the average reading speed of 250 Words per minute.
The recommended reading level for The Librarian Who Measured The Earth is 1st Grade
The Lexile score for The Librarian Who Measured The Earth is 940.
The Librarian Who Measured The Earth is 48 pages long.
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