'A delight' – Katherine Heiny, author of Early Morning Riser'Gorgeous' – Rosie Walsh, bestselling author of The Man Who Didn't CallThe Theory of (Not Quite) Everything by Kara Gnodde is a heartfelt, intelligent and uplifting novel about true love in all its forms . . . Bound together by their parents’ tragic death, devoted siblings Mimi and Art have different ideas about everything – most recently, how Mimi should find love. Mimi believes that love is more than just a numbers game.Art, a maths genius, thinks people are incapable of making sensible decisions, especially about romance.That’s what algorithms are for. So, when Mimi meets someone, Art starts looking for a glitch. Because something doesn't add up and Art fears he's in danger of losing his sister forever . . . 'Tender, unique and uplifting . . . Such an accomplished debut' – Beth O'Leary, bestselling author of The Flatshare'My book of the year . . . Smart, funny, tender' – Kate Weinberg, bestselling author of The Truants