Connecting with History Shop Our Categories www.rchistory.com ABOUT About Connecting with History Catalog Discount Program Samples FAQ About Us Contact Us Raves & Reviews Register Your Program Community Copyright Policy SHOP HOMESCHOOL EDITION Year 1 - Ancient History & Old Testament Year 2 - Early Church & Early Medieval Year 3 - High Medieval - Post-Reformation Year 4 - American History Starter Guide for Connecting with History STUDENT BOOKS Year 1 - Ancient History & Old Testament Year 2 - Early Church & Early Medieval Year 3 - High Medieval - Post-Reformation Year 4 - American History Companion Readers & Core Texts ADDITIONAL MATERIAL Hands-On History Literature Guides and Language Arts History Sing-Along CDs Timelines Geography In the Footsteps of the Saints series Hillside Education Complete Book List CLEARANCE CO-OP EDITION Co-op Edition Classroom Guides Co-op Edition Family Lesson Plans CO-OP INFO SHOP Connecting with History Program Student Books Co-op Curriculum & Books Home > SHOP > STUDENT BOOKS > Year 1 - Ancient History & Old Testament > Complete List of Ancient History Books > Librarian Who Measured the Earth Beginner Level Literature Price: $19.99 Description More Information Lasky pens this colorfully illustrated biography of the Greek philosopher and scientist Eratosthenes, who compiled the first geography book and accurately measured the globe's circumference - in the second century B.C.!! His measurements proved to have an error of less than 1% - an amazing feat for someone with no computers, no modern equipment, just his knowledge of the sun's movements and local geography. Author: Kathryn Lasky Volume One, Unit Eight, Beginner/Grammar Level (picture book) Share your knowledge of this product. Be the first to write a review »