Mousebane & Red Mist

There's Something Wrong With The Cats: A sci-fi cat mystery - just not a cozy one! (Mousebane & Red Mist Book 1), by C J Powell
The Shadow That Stalks Behind (Mousebane & Red Mist Book 2), by C J Powell
Underworld (Mousebane & Red Mist Book 3), by C J Powell