Margaret Peterson Haddix

Once Amy and Dan Cahill's choice was simple - take a million dollars or the first of 39 Clues that lead to the source of unimaginable power....

Luke Garner is an illegal third child. All his life has been spent in hiding. Now, for the first time, Luke is living among others. He has assumed a deceased boy's identity and is attending Hendricks School for Boys, a windowless building with cruel classmates and oblivious teachers....

Trey may have saved Luke's life, but he still thinks of himself as a coward who can barely stand to be outdoors. Now Trey finds out Luke has been taken prisoner at Population Police headquarters. Trey is terrified, but he knows that if he doesn't rescue his friend, no one will....

At a time in the future, when having more than two children is illegal, 12-year-old Luke Garner is third born, a shadow child—his very existence punishable by death. He spends his whole life hiding and knows only his immediate family and their small farm.

New York Times bestselling author Margaret Peterson Haddix takes readers on a thrilling adventure filled with mysteries and plot twists aplenty in this absorbing series about family and friendships. Perfect for fans of A Wrinkle in Time and The City of Ember! What makes you you? The Greystone...

Ella Brown is unhappy. Shivering cold in her luxurious bed, she's afraid to get up and light the fire because she's recently been scolded for doing things servants are supposed to do....

Thirteen years ago, a plane materialized out of thin air with 36 babies on board and no one at the controls....

Nina Idi - a third child in a society where families are allowed only two children - has been betrayed by the boy she loved and arrested by the Population Police for exposing other alleged third children. But Nina knows only one thing for sure: She is innocent of the charges....

New York Times bestselling author Margaret Peterson Haddix, the master of cliffhangers, delivers a pulse-pounding mystery perfect for fans of Jacqueline West and Kat Yeh, full of secrets, surprises, and the power of family. One minute they’re there: laughing and having fun at the house next...

Luke Garner, an illegal third child, spent his first 12 years in hiding. For the past four months, Luke has lived among others, using the identity of Lee Grant, at the Hendricks School for Boys. But just as things are starting to go right, Lee's little brother arrives at the school....

Luke Garner is a third-born in a restrictive society that allows only two children per family. Risking his life, he came out of hiding to fight against the Population Police laws....

Matthias, an illegal third child, is caught in the crossfire between rebels and the Population Police. When he unwittingly saves a Population Police officer, Matthias is brought to Population Police headquarters to train as an officer himself....

In the dazzling conclusion to the Greystone Secrets series from New York Times bestselling author Margaret Peterson Haddix, the Greystones and their doubles, the Gustanos, must team up to save the alternate world—before both worlds are lost. All secrets are revealed in this page-turning...

Just as best friends Chip and Jonah discover they're actually children kidnapped from history, they get sent back to their proper time period....

From master of suspense author Margaret Peterson Haddix comes another page-turning stand-alone adventure perfect for fans of Cog and Bad Magic. No matter what anyone tells you, I’m real. That’s what the note says that Max finds under his keyboard. He knows that his best friend, Josie, wrote...

For the past 12 years, adults called "Freds" have raised Rosi, her younger brother Bobo, and the other children of their town, saying it is too dangerous for them with their parents....

The second book in the Greystone Secrets series from the master of plot twists, Margaret Peterson Haddix—perfect for fans of A Wrinkle in Time and The City of Ember! Until their mother vanished, the Greystone kids—Chess, Emma, and Finn—knew nothing about the other world. Everything is...

In this page-turning middle grade series by New York Times bestseller Margaret Peterson Haddix, Colin and Nevaeh, whose parents own rival junk-removal businesses, uncover mysteries hidden in attics and basements and discover how trash can become treasure. In The Secret Letters, Colin and Nevaeh...

Disguised as a peasant, Cecilia has been hiding for years from the evil people who killed her parents. Now the time has come to reclaim her title....

Jonah and Katherine journey to 1918 with the Romanov children in the sixth tale of the New York Times best-selling The Missing series....