Reynie, Kate, Sticky, and Constance, all graduates of the Learning Institute for the Very Enlightened and members of the Benedict Society, embark on a scavenger hunt that turns into a desperate search for the missing Mr. Benedict.

Maddie loves spending summers at Havenfall, a Colorado inn where her uncle brokers peace between worlds, until a murder forces her to take on responsibilities for which she is unprepared.

Why would Quentin Herms flee into the Quag? There was nothing in the Quag except certain death. Vega Jane has never left the village of Wormwood. But his isn't unusual--nobody has ever left the village of Wormwood. At least not until Quentin Herms vanishes into the unknown. Vega knows Quentin didn't just leave--he was chased. And he's left behind a very dangerous trail of clues that only she can decode. The Quag is a dark forest filled with terrifying...

After kids start disappearing from their school, Mars Patel and his outcast friends investigate and find that all clues point to an eccentric tech genius with a popular podcast, Oliver Pruitt, who also happens to be Mars' hero.

Whe eleven-year-old Gregor follows his little sister through a gate in the laundry room he ends up the dark Underland beneath the city populated with humans living in an uneasy peace beside giant spiders, bats cockroaches and rats. He discovers a strange prophecy which fortells a role for him in Underland's future that will be the only way to solve the biggest mystery of his life and change him and Underland forever.

From Newbery Medalist Cynthia Voigt, Book II in the exciting adventures of Mister Max—12-year-old detective in disguise.
 
In Mister Max: The Book of Lost Things, Max Starling proved that he is more than a detective, he’s a Solutioneer. His reputation for problem-solving has been spreading—and now even the mayor wants his help.
 
Someone is breaking windows and setting fires in the old city,...

"The truth about Neverland is far more dangerous than a fairy tale. Claire Kenton believes the world is too dark for magic to be real--since her twin brother was stolen away as a child. Now Claire's desperate search points to London... and a boy who shouldn't exist. Peter Pan is having a beastly time getting back to Neverland. Grounded in London and hunted by his own Lost Boys, Peter searches for the last hope of restoring his crumbling island: a...

"When their friend vanishes during a camping trip down by Salvation Creek, four friends have a very different story to tell about what happened that night, in this gripping mystery told entirely through first-person interviews"-- Provided by publisher.

When Rachel's father goes missing on a mission, her attempt to escape their walled city-state and find him brings danger, heartbreak, and a new romance with her father's apprentice.

Ten-year-old Bud, a motherless boy living in Flint, Michigan, during the Great Depression, escapes a bad foster home and sets out in search of the man he believes to be his father--the renowned bandleader, H.E. Calloway of Grand Rapids.