Why Do Shadows Change? Level 5 Factbook (Cambridge Young Readers)
By Nicolas Brasch.
Description
A series of twenty non-fiction science readers which engages children in the world around them. What is light? What is white light? What is a polar night? You can find the answers to these and other questions about light and shade in Why Do Shadows Change? - from Amzon
ISBN(s)
0521137314, 9780521137317