Athol Fugard became famous as a playwright, so although 'Tsotsi' the book was written in the '60s, it was only published in the '80s. It was then optioned pretty much every year by producers. I think the problem was that holding onto its period setting made it very hard to get finance.

Most big popcorn movies are 'bad guy does something to good guy, good guy gets revenge on bad guy, sets the world right, and moves on.' And 'Ender's Game' is just not that simple, so it's an exciting challenge. It's a little terrifying, and let's see how audiences respond.