The Helliconia trilogy is a series of science fiction books by British writer <a href="/c/books/credit/64107/Brian-Aldiss/">Brian Aldiss</a>, set on the Earth-like planet Helliconia. It is an epic chronicling the rise and fall of a civilisation over more than a thousand years as the planet progresses through its incredibly long seasons, which last for centuries.
• <a href="/c/books/book/443600/helliconia-spring/">Helliconia Spring</a> (1982)
• <a href="/c/books/book/469519/helliconia-summer/">Helliconia Summer</a> (1983)
• <a href="/c/books/book/469520/helliconia-winter/">Helliconia Winter</a> (1985)
