Richard Jefferies' novel "After London" (1885) can best be described as genuine post-apocalyptic fiction. After a sudden and unspecified catastrophe has depopulated England, the countryside reverts to nature and the few survivors return to a quasi-medieval way of life. The first chapters consist solely of a description of nature reclaiming England: fields becoming overrun by forest, domesticated animals running wild, roads and towns becoming overgrown, London reverting to lake and poisonous swampland. The rest of the story is a straightforward adventure/quest set many years later in the wild landscape and society, but the opening chapters set an example for many later science fiction stories.