The Helliconia Trilogy - Brian Aldiss

The Helliconia Trilogy of books by Brian Aldiss consists of Helliconia Spring, Helliconia Summer and Helliconia Winter. They are set on an earthlike planet, called Helliconia which differs from the earth in only two crucial respects. First instead of orbiting one star, Helliconia orbits two. It revolves around Batalix, its cold primary star once in a period slightly more than one earth year. Batalix in turn orbits around a second star, Freyr, which is a blue supergiant once every 1825 years. This orbit is highly elliptical, bringing Batalix and Helliconia close to Freyr for some of the orbit and very distant for other parts of it. Since Batalix is cool, when ...  Read the complete review