It's 1947, and India, newly independent of British rule, has been separated into two countries: Pakistan and India. The divide has created much tension between Hindus and Muslims, and hundreds of thousands are killed crossing borders. Half-Muslim, half-Hindu twelve-year-old Nisha doesn't know where she belongs or what her country is anymore. When Papa decides it's too dangerous to stay in what is now Pakistan, Nisha and her family become refugees and embark first by train but later on foot to reach her new home.

On a spring morning, neighbors Valentina Kaplan and Oksana Savchenko wake up to an angry red sky. A reactor at the nuclear power plant where their fathers work—Chernobyl—has exploded. Before they know it, the two girls, who've always been enemies, find themselves on a train bound for Leningrad to stay with Valentina's estranged grandmother, Rita Grigorievna. In their new lives in Leningrad, they begin to learn what it means to trust another person.

Lida thought she was safe. Her neighbors wearing the yellow star were all taken away, but Lida is not Jewish. She will be fine, won't she? But she cannot escape the horrors of World War II. Lida's parents are ripped away from her, and she is separated from her beloved sister, Larissa. The Nazis take Lida to a brutal work camp, where she and other Ukrainian children are forced into backbreaking labor. Starving and terrified, Lida bonds with her fellow prisoners, but none of them know if they'll live to see tomorrow.

There are two versions of Héctor: the public and the private. It’s the only way to survive in communist Cuba—especially when your father was exiled to the US and labeled an enemy of the people. Héctor must always be seen as a fierce supporter of the regime, even if that means loudly rejecting the father he still loves.

It's Maine, 1924, and the Ku Klux Klan is on the rise. Davy and Jo Michaud have been recently orphaned. Taken in by a distant relative—a famous aviator—they are now working with a group of stunt pilots who spend their time wing walking, leaping from plane to plane, and flying through fireworks! But though the stunts are dangerous, the real threat is building behind the scenes.