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....

Chess, Emma, and Finn have been a happy family, just the three of them and their mom. But everything changes when reports of three kidnapped children reach the Greystone kids, and they’re shocked by the startling similarities between themselves and these complete strangers....

Colin and Nevaeh unravel a mystery from the 1930s and explore the emotions associated with death and dying....

One minute they’re there: laughing and having fun. The next minute, the teens are gone. Like magic. Marin can’t believe her eyes. Who are they? Can anyone else see them? What makes them so happy? Marin is lonely in this new town and eager to figure out more....

New York Times bestselling author Margaret Peterson Haddix delivers the thrilling conclusion to her middle grade Mysteries of Trash and Treasure series as Colin and Nevaeh unravel their most personal mystery yet.

Return to the world of the bestselling Running Out of Time with this middle grade thriller from Margaret Peterson Haddix, where Zola discovers she’s related to Jessie Keyser and her seemingly perfect utopian world is covering up a dark reality....

When Colin finds a shoebox full of letters hidden in a stranger’s attic, he knows he’s supposed to throw them away. That’s his summer job, getting rid of junk. But Colin wants to rescue the letters--and find out what really happened to best friends Rosemary and Toby way back in the 1970s....

As Max sets to uncover what happened to Josie—and what she is or isn’t—little does he know that she’s fighting to find him again, too. But there are forces trying to keep Max and Josie from ever seeing each other again. Because Josie wasn’t supposed to be real....

In the dazzling conclusion to the Greystone Secrets series from New York Times best-selling author Margaret Peterson Haddix, the Greystones and their doubles, the Gustanos, must team up to save the alternate world - before both worlds are lost....

Den store Greystone-finale - en pageturner med masser af teamwork, action og dobbeltgængere! Selvom de har fået deres mødre tilbage fra den...

Greystone-børnene er tilbage! Og der er absolut ikke færre dobbeltgængere, hemmelige døre og skjulte koder i denne hæsblæsende...

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....

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....

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....

Since the Enforcers raided Refuge City, Rosi, Edwy, and the others are captured and forced to work as slave labor on an alien planet, digging up strange pearls. Weak and hungry, none of them is certain he or she will make it out of this alive....

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....

After Edwy is smuggled off to Refuge City to stay with his brother and sister, Rosi, Bobo, and Cana are stuck alone - and in danger - in Cursed Town....

With Caught, award-winning author Margaret Peterson Haddix delivers the fifth thrilling installment of her Missing series....

After traveling through history multiple times and finding out his original identity, Jonah thought he'd fixed everything. But some of his actions left unexpected consequences....