000
002920000a22001330004500
245
_a
Kids Discover February 2010
250
_a
2
260
_c
2/4/2010
650
_a
Light.
650
_a
Sunlight.
650
_a
Lightning.
650
_a
Lasers.
852
_o
J PER
999
_c
43624
_d
43624