Echoes of Fire by Suzanne Wright 

They may not be made for each other, but animal instincts are impossible to ignore. Madisyn Drake is a rare breed of cat shifter…a loner, unpredictably wild, and emotionally distant. A recent betrayal has left her ready to sharpen her claws on the next man she sees…until a prowling wolf with steel-grey eyes and a brooding dark edge challenges her distrust. No matter how fully he satisfies her touch-hunger, Madisyn’s not ready to open up again, even if it is… Read more.