There are three stages in scientific discovery. First, people deny that it is true, then they deny that it is important; finally they credit the wrong person.

The first book I did - the first successful book - was a kind of a travel book, and publishers in Britain encouraged me to do more.

Columbus real achievement was managing to cross the ocean successfully in both directions. Though an accomplished enough mariner, he was not terribly good at a great deal else, especially geography, the skill that would seem most vital in an explorer.

I wanted to quit and to do this forever, sleep in a bed and in a tent, see what was over the next hill and never see a hill again. All of this all at once, every moment, on the trail or off.

I'm definitely an American, because I grew up here. But I've lived very happily in Britain.

It was an odd situation. For a century and a half, men got rid of their own hair, which was perfectly comfortable, and instead covered their heads with something foreign and uncomfortable. Very often it was actually their own hair made into a wig. People who couldn't afford wigs tried to make their hair look like a wig.

Hardly anyone ever leaves. This is because Des Moines is the most powerful hypnotic known to man. Outside town there is a big sign that says, WELCOME TO DES MOINES. THIS IS WHAT DEATH IS LIKE. There isn't really. I just made that up. But the place does get a grip on you.