After a dying criminal confesses that his loot has been stashed "in the tower," the Hardy boys make an astonishing discovery.

Told in two voices, a seventeen-year-old battered and bruised girl struggles to remember who she or the man claiming to be her father is while seventeen-year-old Drew stops at nothing to find his missing girlfriend.

Cold cases are about to get hot. Don’t miss this exhilarating crime thriller—perfect for fans of Criminal Minds and A Good Girl’s Guide to Murder—from Jennifer Lynn Barnes, the #1 New York Times bestselling author of The Inheritance Games. 
Seventeen-year-old Cassie is a natural at reading people. Piecing together the tiniest details, she can...

When seventeen-year-old Avery moves to rural Georgia to live with her ailing grandmother, she encounters decade-old family secrets and a mystery surrounding the town's racist past.

"Sixth grader Rex Dexter uses his ability to communicate with dead animals to investigate a narwhal's mysterious death"--

An anonymous diary is a mystery with handwriting that is difficult to decipher. It is filled with technical drawings and chemical formulas. Was the destructive explosion an accident or an act of revenge?

When a shy high school student's body is found washed up on the shore of a quiet beach town - an apparent suicide - Terry Novak doesn't know what to think. He decides to do some investigating with the help of his best friend, Abby. Before long, they learn that asking questions puts them in grave danger. Fortunately, Terry has been learning about fighting, thanks to a retired boxer, who teaches him to use his head and keep his feet set beneath him...

When the creator of a new, popular reality game is kidnapped, Abigail Hunter and her friends go on their first official mission for The Center and if they are lucky they might just save the world.

Orphans Sabrina and Daphne Grimm are sent to live with an eccentric grandmother that they have always believed to be dead.

Four brave siblings were searching for a home – and found a life of adventure! Join the Boxcar Children as they investigate the mystery of a curious train caboose in this illustrated chapter book series beloved by generations of readers.
The Aldens take a train journey! And at every stop, someone has something to say about the train car the children are riding in. It turns out Caboose Number 777 has an unusual past—one that comes...