Waterstone at Wellesley will welcome local Blue Ginger chef and recently published author Chef Ming Tsai for a book signing and discussion on Monday, Dec. 10 at 2 p.m. This event is free and open to the public, but an RSVP is required. Call 781-235-1614 to RSVP. Waterstone is located at 27 Washington St., and includes 134 apartments for seniors 62 and older. It features independent and assisted living rental apartments. For more information, call 781-235-1614.