Acknowledgements are due to Poppy Hampson – for skilful editing and sympathy – and Alison Samuel at Chatto & Windus, Rachel Cugnoni, Beth Coates and Liz Foley at Vintage, Jane Kirby and Monique Corless in the Random House rights department, Louise Dennys, Michael Schellenberg and Angelika Glover at Knopf Canada, Amber Qureshi at Free Press, Martin Knelman, Bernadette Sulgit, Sara Knelman, Becky Toyne, Bernard Schiff, David Berlin, Deborah Kirshner, Antonio De Luca, Brian Morgan, Eric Pierni, Catherine Osborne, Robin Robertson and Jess Atwood Gibson. A special thank you to Leonard Cohen, whose writing on love is inspiring, and a deep bow to Margaret Atwood, whose support for this idea has been invaluable. Most of all we are enormously grateful to the contributors.