There are no aliens in Wish You Were Here, my debut novel. Llamas, yes. Aliens, no. This fact greatly disappoints my husband. Whenever I hit an I-don’t-know-what-to-write-next moment, my husband always suggested aliens. And I always, always overrode his suggestion with a polite “I don’t think so.” Or a flat-out “Not gonna’ happen.” I’m all for surprising my readers. My …