Rick Riordan

It's always hard to wrap up a series. The longer I spend with the characters, the more they become like friends.

It is true that I once refused to eat haggis in Scotland and this did not sit well with the local population.

I saw 'The 39 Clues' as a potential vehicle for doing some education in a fun way - to take some of these amazing stories from history, dust them off and make them alive.

The process of writing has always started for me when I put myself in a place where no one distracts me.

If a cluttered desk is the sign of a cluttered mind, what is the significance of a clean desk?

Well, I actually wrote her a letter a couple of days ago congratulating her. The tone I tried to convey in the letter is, look, you are a part of a great American historical process.