North Shore Community College is offering a series of four-day, 30-hour workshops that offer the training necessary to become a Massachusetts-certified addiction recovery coach. Recovery coaches serve as guides and mentors to individuals with drug and alcohol problems. The first four-day workshop will run Jan. 8 to 11, from 9 a.m. to 5:30 p.m. at the Danvers campus, 1 Ferncroft Road. Cost is $499 and includes textbook and supplies. To register, call 978-236-1200 or go to community.northshore.edu/registration.Linda Greenstein can be reached at firstname.lastname@example.org.