TY  - BOOK
AU  - Ackerman,Karen
AU  - Gammell,Stephen
TI  - Mr. Popper's Penguins
T2  - The Caldecott Medal
SN  - 9780394893303
PY  - 1988///
CY  - New York : 
PB  - Alfred A. Knopf
KW  - Children's literature
KW  - Story
ER  -