How many books ar egoing to be in the House of Night series by PC and Kristen Cast?

there is a total of 12 definiet books but the last 3 others are being discussed

1 marked

2 betrayed

3 chosen

4 untamed

5 hunted

6 tempted

7 burned

8 stolen

9 burdend

10 touched

11 clocked

12 wanted

13 dreaded

14 changed

15 saved

i hope this helps mm x