The Last Continent - Pratchett Terry

The Discworld is very much like our own – if our own were to consist of a flat planet balanced on the back of four elephants which stand on the back of a giant turtle, that is... 'Anything you do in the past changes the future. The tiniest little actions have huge consequences. You might tread on an ant now and it might entirely prevent someone from being born in the future.' The Discworld's most inept wizard has found himself on the Discworld’s last continent, a completely separate creation. It's hot. It's dry... very dry. There was this thing once called The Wet, which no one believes in. Practically everything that's not poisonous is venomous. But it's the best bloody place in the world, all right? And in a few days, it will be except... Who is this hero striding across the red desert? Champion sheep shearer, horse rider, road warrior, beer drinker, bush ranger, and someone who'll even eat a Meat Pie Floater when he's sober? A man in a hat...