A hardback edition was published on May 17, 2016, through Quirk Books and an audiobook narrated by Emily Woo Zeller was released through Blackstone Audio.

[1] A film adaptation directed by Damon Thomas from a screenplay by Jenna Lamia was released in 2022 on Prime Video.

The novel then goes through their relationship from that point on, which includes singing into hairbrushes to Madonna, getting their hair braided in Jamaica, and dealing with the awkwardness of growing up, whether it is bad acne or overprotective parents.

Her actions belie her words, as she begins acting increasingly more erratic, prompting Abby to suspect that Gretchen might actually be possessed by a demon.

Club wrote a favorable review for the book, writing "Hendrix’s prose walks the fine line between comedy and horror throughout, delivering a simultaneously heartwarming and terrifying tale of teenage friendship, which is something most of us can relate to, exorcism or not.