What are the names of the books in the "Indigo" Series by Louise Coope

Question:

What are the names of the books in the "Indigo" Series by Louise Cooper?

I think there are 8. I picked up the first three thinking that it was a trilogy, but now that I am sucked in, I realize there must be more, and I must find them!

Best Answer - Chosen by Asker: Here is her entire bibliography, including the Indigo Series. I highly recommend reading some of her other stuff as well, especially the Time Master Series.
The Book of Paradox (1973)
Blood Summer (1976)
In Memory of Sarah Bailey (followup to 'Blood Summer') (1976)
Lord of No Time (which was later reworked into the Time Master Trilogy) (1977)
Crown of Horn (1981)
The Blacksmith (1982)
The Time Master Trilogy (1986)
-The Initiate
-The Outcast
-The Master
Mirage (1987)
The Thorn Key (1988)
The Indigo series
-Nemesis (1989)
-Inferno (1989)
-Infanta (1990)
-Nocturne (1990)
-Troika (1991)
-Avatar (1992)
-Revenant (1993)
-Aisling (1994)
The Sleep of Stone (1991)
The Chaos Gate' Trilogy (followup to the Time Master Trilogy)
-The Deceiver (1991)
-The Pretender (1992)
-The Avenger (1992)
'The Star Shadow' Trilogy (prequel to the Time Master Trilogy)
-Star Ascendant (1994)
-Eclipse (1994)
-Moonset (1995)
Firespell (republished under the title Heart of Fire in 1998) (1996)
The Hounds of Winter (republished under the title Heart of Ice in 1998) (1996)
Blood Dance (republished under the title Heart of Stone in 1998) (1996)
The Shrouded Mirror (republished under the title Heart of Glass in 1998) (1996)
The King's Demon (1996)
Sacrament of Night (1997)
The 'Daughter of Storms' Trilogy
Daughter of Storms (1996)
The Dark Caller (1997)
Keepers of Light (1998)
Heart of Dust (1998)
Storm Ghost (1998)
Our Lady of the Snow (1998)
The Summer Witch (1999)
The Spiral Garden (short stories) (2000)
The 'Mirror Mirror' Trilogy
Breaking Through (2000)
Running Free (2000)
Testing Limits (2001)
Demon Crossing (2002)