TY  - BOOK
AU  - Lauber,Patricia
TI  - How we learned the earth is round
T2  - Let's-read-and-find-out book
SN  - 0064451097
U1  - 525 
PY  - 1992///, c1990
CY  - New York
PB  - HarperCollins
KW  - Earth
KW  - sears
N1  - Wilson's Children; Elem. School Library Collection; School Library Journal; 3.5; Follett Library Resources; K-3; Follett Library Resources; K-3
N2  - Explains various changes in humanity's beliefs about the shape of the earth, from the flat earth theories of the ancients to the round earth theories which were proven true by the voyages of Columbus and Magellan
ER  -