<p>It is commonly known that Baudelaire used opium. Many writers have described him as being addicted to the drug, but few biographers have fully understood the effect of opiate addiction on personality, and, in the case of Baudelaire, the extent to which it damaged his life and work. In this fascinating and original contribution to Baudelaire studies Frank Hilton contends that the drug is at the root of all Baudelaire's problems and, in particul...