The plant and animal life is as different as it is in Botanica the same author, a novel recommended where land is invaded by the dominant plant life evolved, not to be missed. In both novels the particularities are delicately made and lead us to wonder about the capacity creative author. Science fiction can look at people who have ideas. Sparing no resource, or leave loose ends in the construction of society based on the character Yuli and their descendants who will be focused on the social fabric, even in speech as it builds a new language that we will be introduced gradually. Historically, the society is in a stage of religion in its transition to feudal. Many centuries and generations pass. The cold and darkness gradually receding, hence the title.
It is a rebirth, but the past is a terrible burden, relevant, inevitable and cyclical. That Aldiss has requested advice from Desmond Morris, author of The Naked Ape "invaluable work on the human study anthropology and which has consequences for the way I see humanity," is a clear notion of attention to detail. While this first part of the trilogy the protohombres are present, they are described in too much. He does not hesitate to describe are the viruses that cause changes in animal populations, "the fever of bones "has nothing to envy to the plague, and is a virus that attacks both phagor and humans. We know these things around the planet that rotates earthling spacecraft studying the planet earth and sends the information, data takes a thousand years to arrive after shipment of "Avernus." This vision earthling, is what allows us to put together the story from Yuli leaving Sibornal frost areas, reaches the depths where humans are hiding to escape the cold and Akha where priests worship a stone statue , becomes a priest, flees and is based in and around Oldorando where later their offspring will be Ay Laintal to take the narrative in a warm Heliconia where resurgent geographic expansion intentions, knowledge, and the desire to rediscover the past.