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...

Throughout the hunt for the 39 Clues, Amy and Dan Cahill have uncovered history's greatest mysteries and their family's deadliest secrets. But are they ready to face the truth about the Cahills and the key to their unmatched power? After a whirlwind race that's taken them across five continents, Amy and Dan face the most the difficult challenge yet -- a task no Cahill dared to imagine. When faced with a choice that could change the future of the world,...

Thirteen-year-old Bethany's parents have always been overprotective, but when they suddenly drop out of sight with no explanation, leaving her with an aunt she never knew existed, Bethany uncovers shocking secrets that make her question everything she thought she knew about herself and her family.

After her father is convicted of embezzlement, Becca Jones, fourteen, and her mother flee Georgia for small-town Ohio but three years later she learns that his misdeeds may have jeopardized not just her future but also her life.

Jonah, thirteen, and Katherine, eleven, travel through time to 1918 Russia just as Alexei, Anastasia, and the rest of Tsar Nicholas II's family is about to be executed. Author's note includes facts about the Romanov's and the mystery surrounding their deaths.

Sixteen-year-old Lindsay, a former child star whose career ended when she developed the ability to hear what anyone, anywhere says about her and apparently suffered a nervous breakdown, comes to see this as an asset when, after her father's death, she learns that she is not alone.

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

Return to the world of The Missing with an original e-short story!
Katherine and Jonah have just saved the Grand Duchesses Anastasia and Maria, as well as their brother the tsarevitch Alexei Romanov. Although the Romanovs are devastated that they lost the rest of their family, they are happy that they still have each other and are safe. But they weren't the only ones saved: Leonid, Alexei's faithful servant and friend, was also whisked away...

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.