Ian Gray isn’t supposed to have a dog, but a lot of things that shouldn’t happen end up happening anyway. And Gather, Ian’s adopted pup, is good company now that Ian has to quit the basketball team, find a job, and take care of his mom as she tries to overcome her opioid addiction. Despite the obstacles thrown their way, Ian is determined to keep his family afloat no matter what it takes. And for a little while, things are looking up: Ian makes friends, and his fondness for the outdoors and for fixing things lands him work helping neighbors.

Twelve-year-old Lidia is outside her grandfather's house when planes fly overhead, bearing the Nazi cross on each wing. Before the bombs hit the ground, Lidia realizes her life is about to change forever. Poland has fallen under German occupation, and her father makes the brave decision to join the Polish army to fight against the Nazis. Lidia wants to follow him into war, but she's far too young, and she's needed by her mother and brother. After her family returns to Warsaw, Lidia continues to play the piano, but she also wants to aid the Jewish people held captive in the Warsaw Ghetto.

Max Bretzfeld doesn’t want to move to London. Leaving home is hard and Max is alone for the first time in his life. But not for long. Max is surprised to discover that he’s been joined by two unexpected traveling companions, one on each shoulder, a kobold and a dybbuk named Berg and Stein. Germany is becoming more and more dangerous for Jewish families, but Max is determined to find a way back home, and back to his parents. He has a plan to return to Berlin. It merely involves accomplishing the impossible: becoming a British spy.

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.

"You are to report to Station X at Bletchley Park, Buckinghamshire, in four days time....That is all you need to know." This was the terse telegram hundreds of young women throughout the British Isles received in the spring of 1941, as World War II raged. As they arrived at Station X, a sprawling mansion in a state of disrepair surrounded by Spartan-looking huts with little chimneys coughing out thick smoke—these young people had no idea what kind of work they were stepping into. Who had recommended them? Why had they been chosen? Most would never learn all the answers to these questions.