As soon as I read about HP Reveal (previously Aurasma) I got super excited. I envisioned a teen wandering around her school library. She isn't sure what she should read next, so she's just scanning titles to see if anything catches her eye. Her gaze lands on the cool mint spine of Rainbow Rowell's Fangirl. She's heard of this one; wasn't her friend Emma reading it awhile back? She pulls out her phone, pops open HP Reveal and points her phone at the cover. Suddenly, Emma is right there on her screen, gushing about how much she loved Fangirl . "Oh my god, this book is life," Emma says, sitting cross-legged on her couch, waving the book at the camera. Her hair is long, she must have recorded this Aura before she cut it. "I feel so seen. Oh, and if you like this, you have to read Carry On and Wayward Son which are basically the slash fic Cath is writing the whole time in Fangirl." Back in the library, our teen puts her...