I just copy what I read in Kiera Cass official blog: link
Thursday, September 13, 2012 at 8:47AM Alright, I want to make things official about The Prince. The Prince is a novella I wrote to accompany The Selection Trilogy. It’s basically a short story that takes place within the timeline of the first book. The Prince came about mostly because of my wonderful editor, Erica Sussman. As we were editing The Selection, she asked all these fantastic questions. Some of them led me to start looking at things the way other people in the stories would see them. In the end, I wrote two scenes from...
continue reading...