books.google.co.uk - A highly engaging study of mirages, illusions of multiple moons, the fata morgana, colored shadows and scores of other phenomena in a book praised by Science and Math Weekly as "a great depository of projects, science fair ventures, experiments, and always pure pleasure." 202 illustrations....http://books.google.co.uk/books/about/The_nature_of_light_and_colour_in_the_op.html?id=1xpeQ_RwEqgC&utm_source=gb-gplus-shareThe nature of light and colour in the open air
