Margaret Peterson Haddix

Thirteen-year-old Jonah has always known that he was adopted, and he's never thought it was any big deal. Then he and a new friend, Chip, who's also adoped, begin receiving mysterious letters. The first one says, "You are one of the missing." The second one says, "Beware! They're coming back to get you."

Jonah, Chip, and Jonah's sister, Katherine, are plunged into a mystery that involves the FBI, a vast smuggling operation, an airplane that...

In a future where the Population Police enforce the law limiting a family to only two children, Luke, an illegal third child, has lived all his twelve years in isolation and fear on his family's farm in this start to the Shadow Children series from Margaret Peterson Haddix.
Luke has never been to school. He's never had a birthday party, or gone to a friend's house for an overnight. In fact, Luke has never had a friend.

Luke is one of the...

Thirteen-year-old Nina is imprisoned by the Population Police, who give her the option of helping them identify illegal "third-born" children, or facing death.

In a society that allows families to have only two children, a group of third-borns tries to save itself and others like them.

In a society that allows families to have only two children, third child Matthias joins the Population Police to infiltrate their system.

When thirteen-year-old Luke Garner unwittingly sets off a rebellion which sweeps the country and ousts the Population Police from power, he quickly realizes that the new regime is corrupt and he may hold the only key to true freedom.

When Jonah and Katherine travel to early 1900s Switzerland and Serbia to return Albert Einstein's daughter, Lieserl, to history, her mother Mileva grasps entirely too much about time travel and has no intention of letting her daughter go.

In the aftermath of a crisis that threatens the safety of all shadow children — illegal third-borns in a society that allows only two children per family — Trey's friends expect him to take charge — a function he doesn't want or think he can do.
Trey's new role leads him to travel with Luke Garner's brother, Mark, to Population Police headquarters. There he impersonates an officer to try to rescue Luke, who has been taken...

In a war-torn future United States, fifteen-year-old Tessa, her childhood friend Gideon, now a traumatized military hero, and Dek, a streetwise orphan, enter enemy territory and discover the shocking truth about a war that began more than seventy-five years earlier.

Eleven-year-old Marin and her neighbor Charley hope that by preventing a disaster that occurred twenty years ago, they can save Charley's dad from a future of guilt and self-destructive behavior.