There are 9 图书 number 10 is coming out 下一个 year.There also is the Fallen 天使 series that she uses some characters. She says in interviews that she doesn't want to end the series soon. Hope that helps.
There is also another book (I forget the name) that tells about Zsadist's life as a blood slave and his life with Bella and whatnot. (Different that Lover Awakened)