In 1968, Ed was a 39 year-old African-American parolee, heroin addict, and sometimes jazz singer from Watts, California. Diane was a naïve 24-year old Jewish girl from the Bronx. People said they had no business being together, and their many troubled years of marriage, divorce, reconciliation, more separation and ultimate bottoming out seemed to prove them right—almost. Double Helix is an intensely evocative and unsentimental story told in alternating narrative voices that follows the tur...