Really hoping someone can remember the author and title of this book I read about 5-6 years ago that I really enjoyed and want to read again..not good that I can't remember the author....set in 1950's London and the home counties, upper crust, landed estate but impoverished. Young girl with a younger brother away at school meets a random looking (but prob top drawer too) girls at a bus stop wearing a fur coat. Crumbling ancestral pile, brother called Inigo...? Mummy all about appearances..anyone....