Explore the history and health benefits of bitters and learn how to make them at home with herbalist Guido Mase, co-author of DIY Bitters: Reviving the Forgotten Flavor. This Tower Hill Botanic Garden session will take place Sunday, November 13 from 2 – 4 and will include tastings. Co-sponsored with the Herbal Community of Central Massachusetts.  $25 for members of sponsoring organizations, $35 for nonmembers.  Register on line at www.towerhillbg.org, or call 508-869-6111, ext 124. Tower Hill is located at 11 French Drive in Boylston, Massachusetts.