Roar of Magic (Shifting Crossroads, #29)

Anessa is self-sufficient, bright, reasonably attractive and works at a spell-supply shop. She negotiates with shifters for their saleable goods and sells those same parts to mages on a daily basis. When a fey walks in to purchase some fur, she finds out that touching him will send a shock through her hand.

One year later, he returns with startling information for her. She is a shifter, and he has found a tutor for her to help her find out what she is. It turns out that she is a lioness, and...