There are all sorts of dystopian novels that are not covered in this guide. Or if you are interested in alternate versions such as audiobooks and downloadables, check out this link to find more items in the catalog.
Post-apocalyptic dystopian novels usually take place after some kind of disaster, being man-made or natural. Civilization is trying to pull itself together and dystopian tendencies appear.
A popular theme in dystopian novels is survival after a tragic event that has changed the way things used to be, here are some examples: