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During a spy school game of Capture the Flag, 12-year-old Ben Ripley somehow accidentally shoots a live mortar into the principal's office - and immediately gets himself expelled. Not long after going back to the boring old real world, Ben gets recruited by evil crime organization SPYDER.

Ben Ripley and his friends are training in Alaska when Cyrus Hale is kidnapped by his old Russian nemesis. Ben, Erica, and the others mount a rescue mission, but events quickly spiral out of control in a plot involving the secret history of US-Russian relations, a young KGB agent with skills to rival Erica’s—and lots and lots of bears.

The Owl Express: Nate, the great detective, and his dog Sludge, hit the rails on their latest case. Their mission: To guard an owl named Hoot. Hoot belongs to Nate’s cousin, Olivia Sharp, and she thinks someone on the train might be out to get her feathered friend. Then Hoot disappears! The Tardy Tortoise: The sun is shining, the birds are singing, and someone is eating the flowers in Nate's garden. A green tortoise is slowly stepping across the lawn, and Nate is slowly following him. It may take all of Nate the Great's patience and sharp eyesight to find out slowly.

Thirteen-year-old Ben Ripley has been caught in the snares of SPYDER more than once and knows well enough to be suspicious of anything that seems too good to be true - despite needing special tutoring in advanced survival techniques. So when Murray Hill finally breaks his silence with an offer to hand over the SPYDER elite, Ben knows there must be something going on. But his hesitation doesn’t stop the assignment.

Although Nate the Great and his dog, Sludge, are on vacation, they just can't resist a new case. When his friend Claude's grocery list is lost, Nate sets out to find it before lunch. But lunch draws nearer and the list is still missing. Nate the Great is worried: His reputation is at stake. It looks as if list has vanished - unless Rosamond's strange cat pancakes are somehow at the heart of the mystery.

Nate, the great detective, and his dog, Sludge, are off to San Francisco! They're going to visit Nate's cousin Olivia Sharp. She's a detective, too, and a very busy one. Olivia isn't around to solve her case number 22. Her client, Duncan, has lost his joke book. He tells Nate that if the book isn't found - and soon - the world will come to an end. Nate takes the case. He and Sludge cruise up and down and around San Francisco in the limo, tracking down clues. Sticky, icky clues, big and small clues, all-around-the-town clues that take them to a pancake house, over the Golden Gate Bridge, and finally to a place that seems wrong but could be right.

Following the shocking events of Never Say Die, Alex Rider's world has changed: his biggest enemy, the evil organization Scorpia, has been destroyed. Alex is hoping his life can finally go back to normal, that he can go to school and spend time with his friends - but very quickly everything changes. A new and dangerous criminal organisation - Nightshade - is rising.

At only seventeen years old, Ian Kabra is head of the Cahills, the most powerful family in the world. He has presidents on speed dial, generals at his beck and call. Ian knows he's an ideal leader and the only man for the job. There's just one small problem: He's already messed up big time. A Cahill from the past calling himself the Outcast has risen to challenge Ian with an impossible test. The Outcast has re-created four of history's greatest disasters and dared Ian to stop him.

It is five days until Christmas, and Winston has a Very Curious Mystery to solve. He has hazy rememberings of another mouse, and he just knows that someone very important to him is lost. After promising Oliver that he will be back in time for Christmas, no matter what, Winston sets out on an exciting round-the-world adventure to find the missing mouse, helped along the way by wonderful old friends and delightful new ones, too.

N is for Nugget...Dink, Josh, and Ruth Rose are spending a week at a dude ranch. Everything is normal in a cowboy kind of way - until Josh finds a huge gold nugget! Just as they are deciding what to do with their newfound riches, the nugget disappears. Will the kids be able to track down the thief before it's time to mosey on home?

Thirteen-year-old Theodore Boone thought the danger had passed, but he’s about to face off against an old adversary: Accused mur­derer and fugitive Pete Duffy. On a field trip to Washington, DC, Theo spots a familiar face on the Metro: Duffy, who jumped bail and was never seen again. Theo’s quick thinking helps bring Duffy back to Strattenburg to stand trial. But now that Duffy knows who he is, Theo is in greater danger than he’s ever been in before. Even when every­thing is on the line, Theodore Boone will stop at nothing to make sure a killer is brought to justice.

Thirteen-year-old Theodore Boone knows every judge, police officer, and court clerk in Strattenburg. He has even helped bring a fugitive to justice. But even a future star lawyer like Theo has to deal with statewide standardized testing. When an anonymous tip leads the school board to investigate a suspicious increase in scores at another local middle school, Theo finds himself thrust in the middle of a cheating scandal. With insider knowledge and his future on the line, Theo must follow his keen instincts to do what’s right in the newest case for clever kid lawyer Theo Boone.

Julian, Dick, Anne, George and Timmy the dog find excitement and adventure wherever they go in Enid Blyton's most popular series. In book five, the Famous Five go on a caravan holiday. When they stumble across a circus troupe, the gang are thrilled. But some of the circus people have more sinister plans than just clowning around....

Katie is looking forward to the peanut butter and jelly sandwich she has for lunch. But after recess, she discovers her sandwich is missing! As she searches for her sandwich, she wonders if one of her classmates is to blame. How will she solve the mystery of her missing sandwich?

Katie, Pedro, and their moms are headed out for an afternoon of canoeing. But Katie and her mom get separated from the other canoe, and before long, Pedro and his mom are worried. Where could they have gone to? The search is on for Katie Woo and her fishy canoe!

The national burglar of France faces off against the national detective of England in two unforgettable stories. Originally released as Arsene Lupin vs. Herlock Sholmes because of copyright issues, we have taken the liberty of replacing the counterfeit names originally published with those of the original sleuth himself, Sherlock Holmes (in the place of Herlock Sholmes) and his faithful Dr. Watson (in the place of Wilson). The result is an experience for the ages that you won't want to miss.

Edward "Egg" Garrison thought the field trip to the caverns would be a great place to take pictures. It turns out it's the perfect place for a mystery!

Catalina "Cat" Duran and her class are off to the recycling center for what seems like the worst field trip ever. But when they arrive, they find out that the recycling plant has been sabotaged! Only Cat and her friends can save the day (and help save the Earth, too!).

Meet Enola Holmes, teenaged girl turned detective and the younger sister to Sherlock Holmes. When Enola Holmes, sister to the detective Sherlock Holmes, discovers her mother has disappeared, she quickly embarks on a journey to London in search of her.

What do you get when you add up one middle school bully, two bank robbers, 57 puppy-mill dogs, 4,000 missing dollars, and five daring troublemakers led by the incomparable Riley Mack? One crazy caper! In this merry, mischievous romp, master storyteller Chris Grabenstein, the award-winning author of Escape From Mr. Lemoncello's Library, teams with a full-cast of audio talent to introduce Riley Mack, a one-of-a-kind 12-year-old hometown hero.