By the end of January, fourth-generation Stinson Beach resident Bonnie Sullivan (right) should be taking over as the new owner of Stinson Beach Books. Her predecessor, Annie Rand (left), had a knack for making astute recommendations—a skill Ms. Sullivan is working to hone. “In many ways, it was a sentimental purchase,” she said of her decision to buy the business, which is known less for its profits than its historic presence in the beach town. David Briggs