Books in the Fallen World series

First, the virus took Kaelyn's friends. Then, her family. Now it's taken away her home. But she can't look back-the life she once had is gone forever.A deadly virus has destroyed Kaelyn's small island community and spread beyond the quarantine. No one is safe. But when Kaelyn finds samples of a vaccine in her father's abandoned lab, she knows there must be someone, somewhere, who can replicate it.Determined to stop the "friendly flu" for good, Kaelyn and her friends head to the mainland in search of help. They encounter a world beyond recognition. It's not only the virus that's a killer-there are people who will stop at nothing to get their hands on the vaccine.How much will Kaelyn risk for an unproven cure, when the search could either destroy those she loves or save the human race?

Kaelyn has proof her father's vaccine works-but the virus has stolen too much from her along the way. And the road ahead looks even longer.When Kaelyn and her friends reached Toronto with a vaccine for the virus that has ravaged the population, they thought their journey was over. They were wrong. Now they're being tracked by the Wardens, a band of survivors as lethal as the virus. The gang's leader intends to claim the vaccine for himself, no matter what the cost.Forced onto the road again, Kaelyn and her companions discover the Centers for Disease Control is still operating. The scientists there could reproduce the vaccine. But with the virus still spreading, the Wardens hot on their trail, and hundreds of miles to cross, Kaelyn finds herself compromising her morals to keep her group alive. Her conscience seems a small price to pay if protects them and their precious cargo.To survive this shattered world, will Kaelyn have to sacrifice all that's left of the girl she used to be?