Margaret Peterson Haddix

"Colin and Nevaeh find vintage letters that lead to interlocking mysteries from the 1970s and '80s, and they learn about 'women's lib,' the ERA, and other social issues from that time in history-and the way echoes from that era affect Colin and Nevaeh themselves. 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...

When thirteen-year-olds Jonah and Chip, who are both adopted, learn they were discovered on a plane that appeared out of nowhere, full of babies with no adults on board, they realize that they have uncovered a mystery involving time travel and two opposing forces, each trying to repair the fabric of time.

In a future where the law limits a family to only two children, third-born Luke has been in hiding for the entire twelve years of his life, until he enters boarding school under an assumed name and is forced to face his fears.

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.

There's nothing better than taking your timid little cousin Thad to one of those sweet haunted houses the 4-H Club decorates for Halloween. Except, of course, if the house turns out to actually be haunted. A short story from Guys Read: Thriller, edited by Jon Scieszka.

Nick and Eryn must figure out a way to save the world without sacrificing their newly discovered family in this follow-up to Under Their Skin, which Booklist called "crisp, intriguing, and thought-provoking" in a starred review.
In Under Their Skin, twins Nick and Eryn successfully met their new stepsiblings, Ava and Jackson. But in doing so, the twins found themselves on a mission to discover how to prevent humanity...

Many surprises await twelve-year-old Edwy Watanaboneset when the Freds return him to Cursed Town, including that he has siblings in Refuge City who he will join in boarding school.

"When they started Mystery Solvers Inc., [Colin and Nevaeh] didn't expect to be asked to find a ghost. Ree recruits them to investigate a series of old, spooky photos left behind in her family's new house. The photos show a boy who looks totally see-through. And in some, he's in a coffin. That's not so odd for Ree, who lives above a funeral home. But when Colin and Nevaeh start investigating, they discover other sightings of the boy, and other secrets...

When a diphtheria epidemic hits her 1840 village, thirteen-year-old Jessie discovers it is actually a 1996 tourist site under unseen observation by heartless scientists, and it's up to Jessie to escape the village and save the lives of the dying children.

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 different there. It's a mirror image, except things are wrong. Evil. Their mother tried to fix it, but she and an ally got trapped there along with Ms. Morales,...