I watch a lot of teen TV and read a lot of YA novels. I also talk to teens whenever I can. There are cultural differences between when I was a teen and now, but emotions - anger, angst, love - are the same.
I've always wanted to be a part of that experience of writing to an audience that is just starting to fall in love with books. When I felt that my writing for adults had become cemented, I decided to write a YA series.