TY  - BOOK
AU  - O'Neill,Catherine
TI  - Grandes misterios de nuestro mundo
T2  - Explora y Aprende
SN  - 0915741474
AV  - AG243 .O5318 1993
PY  - 1993///
CY  - [Washington, D.C.]
PB  - National Geographic Society
KW  - Curiosities and wonders
KW  - Juvenile literature
KW  - Local
N1  - Includes index
N2  - Discusses such mystifying phenomena as the auroras, black holes, and Bigfoot
ER  -