THE NO.1 SUNDAY TIMES BESTSELLER'A beautiful little book by a brilliant mind' DAILY TELEGRAPH'Effortlessly instructive, absorbing, up to the minute and - where it matters - witty' GUARDIANThe world-famous cosmologist and #1 bestselling author of A Brief History of Time leaves us with his final thoughts on the universe's biggest questions in this brilliant posthumous work.Is there a God?How did it ...