Margins
The Librarian Who Measured the Earth book cover
The Librarian Who Measured the Earth
1994
First Published
4.20
Average Rating
48
Number of Pages

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' world (and in print since 1994), kids are sure to flip through the pages time and again.

Avg Rating
4.20
Number of Ratings
1,346
5 STARS
45%
4 STARS
34%
3 STARS
17%
2 STARS
3%
1 STARS
1%
goodreads

Author

Kathryn Lasky
Kathryn Lasky
Author · 128 books

Kathryn Lasky is the American author of many critically acclaimed books, including several Dear America books, several Royal Diaries books, 1984 Newbery Honor winning Sugaring Time, The Night Journey, and the Guardians of Ga'Hoole series. She was born June 24, 1944, and grew up in Indianapolis, Indiana, and is married to Christopher Knight, with whom she lives in Massachusetts. Book 15, The War of the Ember, is currently the last book in the Ga'Hoole series. The Rise of a Legend is the 16th book but is a prequel to the series. Lasky has also written Guide Book To The Great Tree and Lost Tales Of Ga'Hoole which are companion books.

548 Market St PMB 65688, San Francisco California 94104-5401 USA
© 2025 Paratext Inc. All rights reserved