In my lifetime I've written about six books so far, I'm 20 years old. Although I am at a young age I think that anyone can write a quality novel. After all, S.E. Hinton wrote her first novel The Outsiders in high school.
Insight by Jamie Magee, Tigers Curse by Colleen Houck, Fallen by Lauren Kate, etc. I love novels that have romance but a good paranormal plot line behind them.
"How strange and lovely it is to be anything at all." -John Green