1. 01. English Non Fiction Comets and meteor showers / by Sipiera, Paul P. Publication: New York : Children's Press, 1997 . 47 p. : 22 cm. Date:1997 Availability: Copies available: (1), Actions:
2. 01. English Non Fiction Comets, asteroids and meteorites / by Nicolson, Cynthia Pratt. Publication: Toronto : Kids Can Press, 1999 Date:1999 Availability: Copies available: (1), Actions: