The Colour of Magic [Hardcover]

Discworld opens with a wildly eccentric expedition across a turtle-supported world, led by Rincewind and a perilous, belief-powered luggage.The first novel of the Discworld series. On a world supported on the back of a giant turtle, a wickedly eccentric expedition sets out. Theres Rincewind, an avaricious but inept wizard, Twoflower, a naive tourist whose murderous luggage moves on hundreds of little legs, dragons who only exist if you believe in them, and of course, the Edge of the Discworld, and its circumference...Pratchett is very good indeed - StandardGB