00858cam a2200265 4500 242735850 TxAuBib 20080930120000.0 080930s2003||||||||||||||||||||||||eng|u 2001005910 9780822506904 0822506904 (OCoLC)48140573 TxAuBib Nelson, Kristin L. Farm Tractors. Minneapolis, MN : Lerner, 2003. Minneapolis, MN : Lerner, 2003. Pull ahead books Describes how tractors work and the different jobs they do on a farm. 20080930. Nelson, Kristin L 1. Farm tractors - Fiction 2. Agricultural machinery - fiction. Pull ahead books. TXSHP