Thirteen-year-old Sam Castine is at summer camp while his mother is in rehab, but when the camp is evacuated ahead of a fast moving wildfire, he makes the mistake of going back for his phone, and finds himself left behind, disoriented, and running for his life, together with a girl, Delphy, from a different camp--finding an old jeep keeps them going, but in the wilds of Maine, there are only logging roads and the deadly crown fire is everywhere.

With the rise of the Berlin Wall, twelve-year-old Gerta finds her family suddenly divided. She, her mother, and her brother Fritz live on the eastern side, controlled by the Soviets. Her father and middle brother, who had gone west in search of work, cannot return home. Gerta knows it is dangerous to watch the wall, to think forbidden thoughts of freedom, yet she can't help herself. She sees the East German soldiers with their guns trained on their...