Reading Melanie Klein is an introduction to the work of an outstanding psychoanalyst of the 20th century, known primarily for her involvement in the development of child analysis and her highly vivid depiction of our inner world. Detailed excerpts from her writings, along with the insightful comments from Margaret Rustin and Michael Rustin, provide access to Klein's clinical and theoretical work. Based on her therapeutic work with children and adolescents, Klein developed concepts such as projective identification, the paranoid-schizoid and depressive positions, unconscious fantasy, and the human tendency for object relations from the very beginning of life. With her revolutionary insights, Klein has profoundly expanded our understanding of unconscious processes and has shown ways to address even difficult topics.