How do you build a life when all that you know is changing? How do you conceive of love when you can no longer recognise those who mean the most to you?

A phenomenal memoir, Somebody I Used to Know is both a heart-rending tribute to the woman Wendy Mitchell once was, and a brave affirmation of the woman dementia has seen her become.

A Richard and Judy Book Club pick, The Sunday Times Bestseller, a BBC Radio 4 Book of the Week, selected as a book of the year by The Times.