Petite Anglaise
By Catherine Sanderson
Michael Joseph £12.99, 352 pages
FT bookshop price: £10.39

Catherine Sanderson tells the father of her daughter that she is leaving him after eight years together. Then she writes him a letter – “an apology, and an obituary to our relationship” – and posts it on her blog, where thousands of strangers can read about the evening she first met him, eight years before: “When you walked into the bar, wearing your cuddly blue duffle coat ... ” Now she has put all this in a book.