1. 01. English Non Fiction Light & sight / by Richards, Jon, Publication: Brookfield, Conn : Copper Beech Books, 1999 . 31 p. : , Includes index. 30 cm. Date:1999 Availability: Copies available: (1), Actions:
2. 01. English Non Fiction Voyage of a light beam / by Solway, Andrew. Publication: Chicago : Raintree, 2006 . 32 p. : 25 cm. Date:2006 Availability: Copies available: (1), Actions: