1. The new book for eminent analyst, Juliet Mitchell, looking at the sibling relationship 2. This important new book further develops her vital theory of The Law of the Mother, re-iterating her argument with more evidence for its structural importance in the psyche 3. In this book, Mitchell deftly extends psychoanalytical theory to include the social self and looks at how a new sibling in the family can be the source of extensive trauma in a young person