Автор:Nicolas Brasch
Издательство:Cambridge University Press
Год:2010
Страницы:24
Формат:fb2, epub, pdf, txt
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?