Working Hard With the Mighty Tractor Trailer and BulldozerBook - 1997
Sam drives a mighty tractor trailer with a bulldozer on top to a busy construction site where workers will build a new home.
Publisher: New York : Scholastic, c1997.
Characteristics:  p. :,col. ill. ;,21 cm.
Alternative Title: Tonka : working hard with the mighty tractor trailer and bulldozer.