The international bestseller from the author of the Booker-shortlisted novel, 10 Minutes 38 Seconds in this Strange World, The Forty Rules of Love is part of our Penguin Essentials series which spotlights the very best of our modern classics

_One of the BBC's '100 Novels That Shaped the World'_

"Every true love and friendship is a story of unexpected transformation. If we are the same person before and after we loved, that means we haven't loved enough..."

Ella Rubinst ...