That seems unlikely shes been writing for decades.

Interview With The Vampire
The Vampire Lestat
Queen Of The Damned
The Tale Of The Body Thief
Memnoch The Devil
The Vampire Armand
Pandora (New Tales)
Vittorio The Vampire (New Tales)
Merrick
Blood And Gold
Blackwood Farm
Blood Canticle

There they all are. Ive read the first 9... Most were excellent, some were just good.