There are 2 books in the Silk series. The newest book is Murder of Angels which came out in 2004.

1
Silk

Book cover of Silk
To the residents of her small southern city, second-hand store owner Spyder Baxter is crazy. But her friends and followers know better. Something lives within Spder's brain. Something powerful. Something wonderful. Something dangerous. Pray it never escapes.
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2
Murder of Angels

Book cover of Murder of Angels
Ten years after witnessing something unspeakable in an old Birmingham, Alabama, house, Daria Parker, a successful musician and addict, and Niki Ky, trapped in a world of schizophrenia, are drawn back together, when Niki begins to receive messages from her dead lover, Spyder Baxter, who warns her of her new…