Because of his success surviving alone in the wilderness for fifty-four days, fifteen-year-old Brian, profoundly changed by his time in the wild, is asked to undergo a similar experience to help scientists learn more about the psychology of survival.

In 1919, seventeen-year-old Hattie leaves the Montana prairie--and her sweetheart Charlie--to become a female reporter in San Francisco.

Bell has spent his whole life--all eleven years of it--on Mars. But he's still just a regular kid--he loves cats, any kind of cake, and is curious about the secrets the adults in the US colony are keeping. Like, why don't they have contact with anyone on the other Mars colonies? Why are they so isolated? When a virus breaks out and the grown-ups all fall ill, Bell and the other children are the only ones who can help. It's up to Bell--a regular kid...

"Middle schooler Rafe Khachadorian faces his greatest challenge yet as he struggles to complete a week-long wilderness survival course to prove to his school administrators that he can succeed"-- Provided by publisher.