TY  - BOOK
AU  - Branley,Franklyn Mansfield
AU  - Maestro,Giulio
TI  - Comets
SN  - 0690044143 :
AV  - QB 721.5 .B73 1984
U1  - 523.6 19
PY  - 1984///
CY  - New York
PB  - Crowell
KW  - Comets
KW  - Juvenile literature
KW  - Halley's comet
N1  - "Ages 5-8, Grs K-3"--Jacket
N2  - Explains what comets are, how they are formed, and how their unusual orbits bring them into earth's view at predictable intervals, with a special focus on Halley's comet
ER  -