Iris Murdoch Resources gives an outline of her life and professional career, provides a list of her novels and philosophical works, comments on them, and so on. It offers some very interesting links as well (to reviews, under the heading Criticism by others), and it even compiles several comments by the author on her own works.
List of reference books for information on IM, "books which can be used to get both biographical and critical information about authors. These sources should only be used as a starting point..."
Article on IM "...For Murdoch the purpose of the novel is to create realistically perceived characters and to transmit moral judgements through their relationships."
IM gets drunk I have trouble understanding how the title of this essay and its content relate to each other. Nevertheless, you may find it interesting, so in case you want to check it out...
There are many things on Iris Murdoch you can order through the Net, such as the Milton Review, a book of Poems by Iris Murdoch,