Shaunta Grimes

When thirteen-year-old Tessa's father remarries months after her mother's death and moves them to California, Tessa must build a new life and friendships, while fighting a compulsion about missing children.

"After a virus claimed 95 percent of the global population, the world changed. The United States splintered into fifty walled cities where the surviving citizens clustered to start over. The Company, which ended the plague by bringing a life-saving vaccine back from the future, controls everything. They ration the scant food and supplies through a lottery system, mandate daily doses of virus suppressant, and even monitor future timelines to stop crimes...