A debut author and a bookseller are friends—and both obsessed with YA literature—so here is their conversation about writing, book selling and what’s hot right now in YA.Abbie is the debut author of THE LAST FIRST DAUGHTER.Scarlet is a manager at Barnes & Noble (the resident YA expert), a musician and writer.Scarlet: Tell us about your book! Pretend we’re on an elevator and instead of us all looking around nervously, you tell us all about what you wrote! Go!Abbie: Wait… how many floors?[image error]THE LA...