In the first series, an ordinary housecat named Rusty comes to the clans amid turmoil.
In the second series, the next generation of heroic cats save the clans from destruction.
In the third series, Firestar's (Rusty's) grandchildren begin their training as warriors. Prophecy foretells they will hold more power than any of the cats before them.
In the fourth series, it kind of continues the third series, but it shows the results of which apprentice holds the future of the clans.
In the prequel series, it shows how the clans came to be.
In the fifth series, Alderpaw, son of Bramblestar and Squirrelflight must embark on a treacherous journey to save the clans from a mysterious threat.
Warriors: Super Editions are very long stand alone adventures that will take you to the view of some of the most famous warrior cats.
Warriors: Bonus Stories are the untold stories of other clan cats.