Mysteries

Three complete stories in one collection! This volume includes The Boxcar Children, Surprise Island, and The Yellow House Mystery....

Stanley Yelnats is under a curse. A curse that began with his no-good-dirty-rotten-pig-stealing-great-great-grandfather and has since followed generations of Yelnatses. Now Stanley has been unjustly sent to a boys' detention center, Camp Green Lake....

Three complete stories in one collection! Includes Mystery Ranch, Mike's Mystery, and Blue Bay Mystery....

Before Jake’s grandfather died, he was on the trail of a centuries-old mystery. And he has entrusted that mystery to Jake, leaving behind a set of hidden codes, riddles, maps, and other clues that lead Jake and his friends on a scavenger hunt....

Ben Ripley is recruited for a top secret mission to bring down his nemesis, Murray Hill, once and for all. But when things go horribly wrong, Ben ends up lost in an extremely dangerous wilderness with Murray—and confronting a new, devious enemy—with none of his friends to help him.

A bizarre chain of events begins when 16 unlikely people gather for the reading of Samuel W. Westing's will....

Three complete stories in one collection! Includes The Woodshed Mystery, The Lighthouse Mystery, and Mountain Top Mystery....

Nancy finds herself a Christmas mystery in this super special 18th book of the Nancy Drew Diaries series, a fresh approach to the classic mystery series. Nancy Drew’s dad surprises her with a trip to a beautiful New England ski resort for Christmas break....

"Are you a gifted child looking for special opportunities?" Dozens of children respond to this peculiar ad in the newspaper and are then put through a series of mind-bending tests, which readers take along with them. Only four children—two boys and two girls—succeed....

Sara Martinez is a hacker. She recently broke into the New York City foster care system to expose her foster parents as cheats and lawbreakers. However, instead of being hailed as a hero, Sara finds herself facing years in a juvenile detention facility....

Three complete stories in one collection! Includes Mystery in the Sand, Mystery Behind the Wall, and Bus Station Mystery....

Three complete stories in one collection! Includes Snowbound Mystery, Tree House Mystery, and Bicycle Mystery....

Ben goes undercover in the White House to take on a SPYDER operative determined to assassinate the president....

In the tradition of Nancy Drew, four kids and one grandfather in Miami tackle a decades-old mystery in this first book in the action-packed and funny Sherlock Society middle grade series from New York Times bestselling, Edgar Award–winning author James Ponti!

Twelve-year-old Ben Ripley is not exactly the best student spy school has ever seen - he keeps flunking Advanced Self Preservation. But outside of class, Ben is pretty great at staying alive....

When suburban Claudia Kincaid decides to run away, she knows she doesn't just want to run from somewhere; she wants to run to somewhere....

Ben Ripley has been caught in the snares of SPYDER more than once and knows to be suspicious of anything that seems too good to be true. So when Murray Hill offers to hand over the SPYDER elite, Ben knows there must be something going on. But his hesitation doesn’t stop the assignment....

Thanks to the evidence Ben uncovered in his investigation of the Croatoan, the CIA has tracked his nemesis, Murray Hill, to Central America, where they believe he is boarding the world’s biggest cruise ship, The Emperor of the Seas, on its maiden voyage around the world....

When Ben gets kicked out of the CIA's spy school, he enrolls with the enemy....

Stranded in Mexico after nearly capturing the leaders of SPYDER, 13-year-old Ben Ripley desperately needs to take a shower. But even more so, he and his spy school friends need to come up with a new plan to defeat their enemies, their only clue a key that opens...something....

Wrecker needs to deal with smugglers, grave robbers, and pooping iguanas—just as soon as he finishes Zoom school. Welcome to another wild adventure in Carl Hiaasen's Florida....

Ben Ripley’s longtime nemesis, Murray Hill, has put a price on Ben’s head and accused him of being at the center of a conspiracy on the internet. Now Ben finds himself in his greatest danger yet, on the run from both assassins and conspiracy theorists....

This volume includes: The Animal Shelter Mystery, The Old Motel Mystery, and The Mystery of the Hidden Painting....

A stunning collaboration between award-winning and bestselling authors Ruta Sepetys and Steve Sheinkin, this middle grade historical adventure follows two siblings at Bletchley Park, the home of WWII codebreakers, as they try to unravel a mystery surrounding their mother’s death....

In the eleventh book in the New York Times bestselling Spy School series, Ben Ripley goes on a rescue mission when one of his own is abducted from a remote Alaskan training facility.

Discover what James Patterson calls “the coolest library in the world” in the New York Times bestselling, award-winning Mr. Lemoncello’s Library series!

When the Baskervilles are haunted by a giant, ghostly hound that glows eerily and howls outside their estate at night, no one can crack the case but Sherlock Holmes! Holmes and Watson track the fearsome hound through the Grimpen Mire and solve the mystery, along the way learning lessons about greed, truth, and illusion.

When a thief steals the Applegate siblings' jewel collection from the Tower Mansion, the whole town of Bayport is left buzzing with questions. Who could have stolen it, and where could it be hidden? The Hardy boys are determined to find out, especially when their friend's father, Henry Robinson, is wrongly accused of the crime! From dusty old towers to secret secret passages, Frank and Joe will follow every clue they can to clear Mr. Robinson's name and reveal the true thief.

Emma and her father finish their walk with their dog Dakota–what Dakota finds in the backyard leaves them surprised. What they believed had been an injured animal has now disappeared! Emma takes pictures of the tracks to identify the animal that left them behind. Was the missing animal an opossum that is known for playing dead? Find out who helps Emma solve this backyard mystery!

As The Campground Kids head to Montana to visit Glacier National Park, they find this trip is nothing short of bizarre. It all starts when their truck breaks down, and they use a loaner from a local displaying an odd bumper sticker. On their way into the park, they are nearly run off the road by another driver. While setting up camp, they hear yelling in the distance between two people. To top it off, Ethan insists a yeti is running wild in the woods.