Molly Hart: 2 books

Astrid’s life as a park ranger is disrupted when she captures and collars a nuisance bear in the woods, setting off a chain reaction of events she was never expecting. And new danger lurks in her beloved park… Sariel is bitter and alone, forced to roam the Earth in the shape of a bear as punishment...

"Oh God. It's Happening."The darkness seemed to go on for hours and it seemed that it would overwhelm me as I began to run. I ran faster and faster, as fast as my legs would carry me without falling off. For a werewolf, that was pretty damn fast. The battle was in full bloom now. It was so bad...