From the genius of David Levithan, co-author of Will Grayson, Will Grayson, and Nick and Nora's Infinite Playlist, comes a love story like no other you've read before.

Each morning, A wakes up in a different body. There's never any warning about who it will be, but A is used to that. Never get too attached. Avoid being noticed. Do not interfere.

And that's fine - until A wakes up in the body of Justin and meets Justin's girlfriend, Rhiannon. From that momen ...