How many warriors series are there?

Answer 1

If you mean how many sets are out in the warriors series, then three so far. Not including the extra books on the side. And Erin Hunter is working on the first book on the fourth set- which will be the last set.

Answer 2

So far there is four. The original series, the New Prophecy series, the Power of Three series, and the Omen of the Stars series.

There is 6 series in the saga already proposed.

Answer 3

There are currently seven main series in the Warriors book series, each containing multiple books. The seventh series, "The Broken Code," is ongoing as of now.