1. 01. English Non Fiction Dirt / by Tomecek, Steve. Publication: Washington, D.C. : National Geographic Society, 2002 . 31 p. : 24 x 28 cm. Date:2002 Availability: Copies available: (1), Actions:
2. 01. English Non Fiction National Geographic Kids everything rocks and minerals / by Tomecek, Steve. Publication: Washington, D.C. : National Geographic, 2010 . 64 p. : 29 cm. Date:2010 Availability: Copies available: (2), Actions: