This book is about Arctic Lights.
The magnificent plays of the Aurora, the blue light and the seasonal changes from polar night to polar daym white bright surfaces, diffuse arctic light, pastel colours, arctic haze, polar stratospheric clouds and red winter lights. 
The low arctic sun, snow covered surfaces and the structure of the eartg magnetic field,create light phenomena that cannot be seen at other latitudes. The arctic nature gives the northern lights an additional dimension, whit its mild climate under the auroral sky. The Aurora and the large seasonal transitions in light conditions and darkness in the Arctic have inspired people at all times, giving rise to fascinating myths, great art and significant scientific discoveries.