Mysteries

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.

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....

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! This volume includes The Boxcar Children, Surprise Island, and The Yellow House Mystery....

Can an undercover nerd become a superstar agent? Ben Ripley sure hopes so - and his life may depend on it....

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....

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....

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....

Kyle Keeley is the class clown, popular with most kids, (if not the teachers), and an ardent fan of all games: board games, word games, and particularly video games....

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

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!

It's a tough job, but somebody's got to do it. Guts, glory, danger, and sacrifice are all in a day's work for Hank the Cowdog, Head of Ranch Security....

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

The author of the blockbuster Bartimaeus series delivers another amusing, chilling, and ingeniously plotted entry in the critically acclaimed Lockwood and Co. series....

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

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....

The Mysterious Benedict Society is up against a new mission, significantly closer to home. After reuniting for a celebratory scavenger hunt, Reynie, Kate, Sticky, and Constance are forced to go on an unexpected search—a search to find Mr. Benedict....

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....

With SPYDER defeated, Ben Ripley is looking forward to his life getting back to normal, or as normal as possible when you’re a superspy in training. Until someone bombs the CIA conference room next door....

Like his fellow lunarnauts living on Moon Base Alpha, twelve-year-old Dashiell Gibson is famous the world over for being one of the first humans to live on the moon....

Three complete stories in one collection! Includes Schoolhouse Mystery, Caboose Mystery, and Houseboat Mystery....

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....

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

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

As a massive outbreak of supernatural visitors baffles Scotland Yard, Lockwood & Co. continue to demonstrate their effectiveness in exterminating spirits....

Summer, 1940. Nineteen-year-old Jakob Novis and his quirky younger sister Lizzie share a love of riddles and puzzles. And now they’re living inside of one. The quarrelsome siblings find themselves amidst one of the greatest secrets of World War II—Britain’s eccentric codebreaking factory at Bletchley Park. As Jakob joins Bletchley’s top minds to crack the Nazi's Enigma cipher, fourteen-year-old Lizzie embarks on a mission to solve the mysterious disappearance of their mother.

When true-Crime obsessed Paige, along with her family, move across the Atlantic to her father's eerie hometown, it's not long before she uncovers the town's dark history—a string of unsolved murders and disappearances in the 90s. Soon after, notes start appearing at their home, about the secrets the old house is keeping. The clues lead Paige to a diary concealed in the walls that belonged to one of the missing girls. Could this be the key to solving a quarter-of-a-century mystery...or will the diary make Paige the next target?

In dreams, Wren can see her again: her eyes, her hair, her smile. She can even hear her laugh. Her mother, one of hundreds of Native Americans considered missing or murdered in Oklahoma. Sometimes it seems like Wren and her grandmother are the only people still looking. Even more frustrating, Wren's overprotective father won't talk about it. Wren refuses to give up, though. And an opportunity to find lost pets seems like a real way to hone her detective skills. But everything changes when one of the missing pets is found badly hurt. Soon, there are others.

Detective Mia is determined to solve the mystery of her stolen sneakers. With her trusty notebook and keen eye for clues, will she be able to find the thief and bring them to justice?

It’s another ordinary Friday night in the suburbs for the Garcia-Jackson family: Mateo and Valentina’s favorite show is on TV. Mateo’s best friend, Booker, is over. And their babysitter, Jennica, is definitely keeping an eye on them and not playing with her phone. But when Elvis, the family’s dog, bolts out of the house, barking uncontrollably at someone—or something—in the backyard, the kids go investigate…only to watch Elvis disappear through a mysterious portal!