''Tender, vivid and achingly sad'' GUARDIAN, BOOK OF THE YEARTWO SISTERS publishes on the 30th anniversary of Blake Morrisons ground-breaking book And When Did You Last See Your Father? which forged the way for a new genre of confessional memoir.Shes gone, thats all, and though theres no retrieving her Id like to make sense of who she was and what she became.It wasnt just that she changed over time. She could change from day to day. Drink made it worse but the origins went deeper. You never knew which youd get, the kind and loving Gill or her doppelgänger. Two sisters.Blake Morrison has lost a sister and a half-sister in recent years.Both are the subjects of this remarkable and heart-breaking memoir, along with a forensic examination of sibling relationships in history and literature.Blakes sister Gill struggled with alcoholism for a large part of her life, and her shocking death is the starting point for Two Sisters.Blake returns to their childhood to search for the origins