Trainspotting and Requiem For A Dream are good books about drug addiction. The movie Limitless with Bradley Cooper is about drug addiction. Reading fiction can sometimes help give better insights about the issue because the experience is more personal and understandable. The Tenant of Wildfell Hall depicts addiction within marriage as well. Maybe you can read up on some of the famous psychological studies about addiction as well, may help. Are you doing an essay or the artefact?