00840cam a2200253 4500 337177166 TxAuBib 20100226120000.0 060612s2006||||||||||||||||||||||||eng|u 9780152054045 16.00 0152054049 16.00 9 780152 054045 TxAuBib Reiser, Lynn. Hardworking puppies. New York : Harcourt, Inc., 2006. Not numbered : B & T. One by one, ten energetic puppies find important jobs as dogs who help people in different ways, including by pulling sleds and saving swimmers. 3 - 7. 20060612. Working dogs--Fiction. Dogs--Fiction. Subtraction--Fiction.