The Welsh high school student was looking for something to read other than stories about vampires and werewolves when she decided to write her own teen fiction book. The then-15-year-old used story-sharing site Wattpad to release her novel, The Kissing Booth, which earned more than 19 million views and caught the attention of Random House Children’s Publishers U.K. The author, now 17, scored a three-book deal with the U.S. arm of Random House and has since appeared on the Today show. But writing remains a hobby for the teenaged literary sensation, who plans to major in physics in college.