Find a problem that you can provide a solution to.

The title's more important than the book.

I write titles that are confrontational. I write titles that make people want to pick up a book and find out more about it. I write good books; I write great titles though.

Success is not a secret – it never has been. There are only a few really good ideas and not one of them is a secret.

I have discovered that enemies will buy your books as much as your fans buy your books because they're looking for something new to hate you for.

I think it's more helpful to keep your books sort of a singular focus. Get it said, get it said well, fascinate people with your words and then write another book.

When I'm writing a book - say I'm going to write a parenting book. I'll go out and buy the 100 top parenting books and I will read those, not so I can copy them for sure.