1. 01. English Non Fiction Igneous rocks / by Cefrey, Holly. Publication: New York : The Rosen Pub. Group's PowerKids Press, 2003 . 24 p. : 24 cm. Date:2003 Availability: Copies available: (1), Actions:
2. 01. English Non Fiction Volcanic rocks / by Dayton, Connor. Publication: New York : PowerKids Press, 2007 . 24 p. ; , Includes index. 22 cm. Date:2007 Availability: Copies available: (1), Actions: