Secrets of Bearhaven by K.E. Rocha
When Spencer Plain’s uncle pulls him out of school, and they find themselves being chased by a strange car, Spencer does not know what is going on–but soon he is rescued from the woods by a bear, and taken to Bearhaven, a secret refuge his parents created, filled with bears who can talk, where, desperate to find his parents, he and a bear cub named Kate decide to take matters into their own hands.