Which lottery numbers should I pick? Is it true that we are made entirely of stardust? Can dogs tell the time? Why do songs get stuck in my head? If Rome wasn't built in a day, how long did it take? How do you wash a raspberry? What is the most expensive thing on Earth? Where is last Wednesday? These are just a few of the questions put to the QI Elves by the listeners of BBC Radio 2's The Zoe Ball Breakfast Show. In this book, you'll learn their fascinating and frequently hilarious answers.