As they celebrate the opening of their underground nightclub, the Zeroes, six teenagers with unique abilities, learn about the sinister power of Swarm, who uses a crowd's rage to kill--and who loves killing Zeroes.

I'm that teenaged girl who has MS. You haven't met me, but you've seen me around. You probably know my sister. We're twins, and she's the pretty one. Maybe you've heard about my reputation, how I hook up at parties -- how easy it is to get me in bed, get what you want, and forget about me after. Forget what you think you know. I'm leaving that girl behind. College is all about new beginnings. So from know on - I'm just Cass. And the rest ... it isn't...

** Goodreads Choice Finalist for YA Fiction of the Year ** Kensington Worth had a vision for her senior year. It involved her best friends, her posh private school in downtown Chicago and time alone with her piano until her audition was perfected, a guaranteed ticket into the best music programs in the world. Instead, a nightmare took over. It didn't happen all at once, but her life unraveled quickly-a tiny thread that evil somehow kept pulling until...

With an asteroid set to strike Earth in just one week, three teens on an island off the Atlantic Coast wrestle with love, friendship, family, and regret as they decide how to live their final days.