The Color of Magic (Discworld, #1; Rincewind, #1)

Read the most by: boys and girls

Alternate Cover Edition can be found here.

On a world supported on the back of a giant turtle (sex unknown), a gleeful, explosive, wickedly eccentric expedition sets out. There's an avaricious but inept wizard, a naive tourist whose luggage moves on hundreds of dear little legs, dragons who only exist if you believe in them, and of course THE EDGE on the planet...