Still life with shape-shifter

"National bestselling author Sharon Shinn presents a passionate, heart-wrenching story of secrets and the lengths we'll go to to protect those we love ... Melanie Landon and her half sister share a unique bond. For her entire life, Melanie has hidden the fact that Ann is a shape-shifter. The never-ending deception is a heavy weight to bear, but Melanie is determined to keep Ann's secret and protect her from a world that simply wouldn't understand...