No safety in numbers /
Dayna Lorentz.
- New York : Dial Books, c2012.
- 203 p. ; 22 cm.
Teens Shay, Marco, Lexi, and Ryan, quarantined in a shopping mall when a biological bomb igoes off in an air duct, learn that in an emergency people change, and not always for the better, as many become sick and supplies run low.