TY  - BOOK
AU  - Hover,Herman
TI  - How many 3-cent stamps in a dozen?: or how logical are you? 
SN  - 0843104082
PY  - 1976///
CY  - Los Angeles
PB  - Price/Stern/Sloan
KW  - Puzzles
KW  - Riddles
UR  - http://www.archive.org/details/howmany3centstam00hove
UR  - http://www.openlibrary.org/books/OL24244606M
ER  -