Thirteen-year-old Abby can't wait to watch the moon turn purple, unaware that deadly bacteria from a passing comet will soon kill all older teens and adults. As she helps her brother and baby sister survive in this new world, she also has to live with the fact she has a ticking time bomb inside her . . . adolescence. *Over 200 5 star reviews*
Lord of the Flies;
The Day of the Triffids;
Michael Grant's Gone Series