When an Internet prank turns serious, Sean becomes the main suspectBored in computer class, Sean Quinn and his friend Matt decide to liven things up with a little computer prank. But the laughs stop quickly when they accidentally hurt a younger student's feelings, earning themselves a quick trip to the principal's office. That night, Sean receives an anonymous email praising him for the prank, and promising to avenge his punishment by causing trouble at the school. The next day, a virus wreaks havoc with the school computers, and the principal suspects Sean of being the mastermind!To keep himself out of trouble, Sean asks his brother Brian to help him find the hacker behind the anonymous email. Catching criminals in the real world is tough enough, but when a crook decides to hide behind the computer screen, it will take every trick in the Casebusters' arsenal to bring this cyber-thug to real-world justice.

While working on a local TV news show, Brian gets the scoop of a lifetimeBrian Quinn signed up for journalism class expecting an easy A. But as he quickly finds out, there's nothing simple about reporting the news. Brian is nervous when his teacher asks him to appear on That's News 2 Me—a local news program run by children—but he goes along with it, hoping for a chance to hang out with Estella, the class's star student. But when he starts reporting his story, this kid reporter stumbles on a very grown-up crime.A burglar has been raiding Redoaks, breaking into houses and making off with expensive electronic equipment. And when Brian tries to report on the High-Tech Burglar, his producer tells him to stay away from the story. But when a clue to the burglar's identity falls into his lap, Brian is faced with a tough decision. Should he disobey the producer and break the news to the world, or let a criminal go free?

Emily has never fit in her overachieving family. Instead of getting straight As, she sits in the back row and hides behind her hair. As a result, her parents have enrolled her at Camp Excel--an academic camp for underachievers--for the summer. Emily doesn't want to go, and not just because she feels it isn't necessary. She's been plagued by a recurring nightmare since she was a child. And there's something about this camp that feels familiar--has she been there before? Why can't she remember?With the help of two new friends, Emily discovers that her nightmare is not just in her head. Someone at Camp Excel has a secret--and will do anything, even murder, to keep Emily from uncovering the truth.From the Hardcover edition.

Stacy wakes up in a room that's not hers, in a body she doesn't recognize, to discover she's been in a coma for four years. Her mother is dead--murdered--and Stacy, recovering from a gunshot wound, is the only eyewitness to her mother's murder.She can recall only a shadowy face, so far. But the killer is not about to let her reveal his identity...From the Paperback edition.

Only Sarah senses the horror.The minute she steps through the doorway of her family's new home, Sarah feels a smothering cold mist, and hears the echo of a scream and a heartbreaking whisper in Spanish, "Help me!"Sarah feels compelled to find out who is trying to reach her. But can she uncover the mysteries of the past before terror strikes again?

In 1860, having traveled with his young sister from New York to a foster home on a farm near St. Joseph, Missouri, ten-year-old Danny plots to get his newly-widowed foster father to send for and marry his mother

Jenny Jakes and her mother, a famous mystery writer, travel to San Antonio to see their cousin, Arnold Harmony, who's made his fortune in the chocolate business. Harmony, an eccentric millionaire, wants his will read publicly before he dies; since everyone wants a piece of the pie, this announcement causes quite a stir. When Harmony's son is murdered just before the reading, Jenny's mother decides to spring into action as a real-life detective. But Jenny's mother doesn't have a clue about solving a real crime, so it's up to Jenny to use her wits, not only to save her mother's reputation, but also to keep herself from being killed.From the Paperback edition.

When the circus comes to town, a clown and his monkey get into troubleKid detectives Brian and Sean Quinn are on their way home when they see a clown causing a commotion outside the mall. The Star-Spangled Circus has just rolled into town, and Crackers the clown and his faithful monkey are there to promote it. But just as Sean is about to get a good look at the monkey, it escapes its collar and runs off, leading a frantic chase through the mall. and while the primate runs wild, someone uses the distraction to rob the stores. To the Quinn kids, it looks like this clown is pretty serious—about crime.But that night, the clown's son asks Brian and Sean to help him prove that his father wasn't even at the mall, and that the stores were robbed by an imposter. To get to the bottom of this big-top mystery, the Casebusters will learn that under their makeup, not all clowns are smiling.

Sean gets his chance at stardom, but a Hollywood jinx stands in his wayA movie is being filmed in Redoaks, and Sean Quinn wants to be a part of it. The movie is called New Guy in Town, and it stars famous child actors Dakota Wayne and Justin Moore. The director needs someone to serve as Justin's stand-in on the set, and when he sees Sean, he knows he's found the right boy. Sean may not end up on screen, but he is going to be part of a movie! That is, if the movie ever gets made.Hollywood insiders have been whispering from the start that New Guy in Town is jinxed. The production moved to Redoaks after fires, theft, and injuries derailed the original attempt to film in Hollywood. And as the filmmakers try to get back on track, the jinx keeps rearing its ugly head. To make sure he gets his shot at the big time, Sean and his brother Brian will have to find out who's behind the accidents before the cameras roll.

Inside a time capsule, Brian and Sean discover a decades-old mysteryIn 1918, the people of Redoaks buried a time capsule full of messages for the future. Besides all the grown-up stuff, the fourth-graders of 1918 included a packet of letters to the fourth-graders of today—which means Sean Quinn is about to get a letter straight from the past! But when it comes time to crack the capsule's seal, Sean and his brother Brian learn that its contents could change the town's future forever.Boris Vlado, the only surviving member of the fourth-graders of 1918, warns the boys that the time capsule holds a dangerous secret. But when they open the capsule, there's nothing inside! To find out why, Brian and Sean will have to solve a historic mystery that involves bank robbery, corruption, and the most valuable stamp collection Redoaks has ever seen.

Eleven-year-old Michael Patrick Kelly from New York City is sent to a foster home, a Missouri farm with a sadistic owner, a bullying son, and a number of secrets, one of which may be murder

While on vacation in Oregon, Chris and Sean encounter a meat-locker mysteryPiney Point is one of the most beautiful places Sean and Brian Quinn have ever seen, but as far as Brian is concerned, it's not half as pretty as Jennifer Hicks. And getting to know the hotel manager's daughter while his younger brother goofs off in the pool sounds like the perfect vacation. But when a string of thefts upset Brian's new friend, vacation is over, and the Casebusters spring into action.Large amounts of expensive meat have been disappearing from the Piney Point kitchens, and Jennifer's dad can't figure out who's the thief. Could it be the bellhop? The chef? Or even the security manager? Brian and Sean had better figure it out quickly, or they'll end up just like the missing steaks—dead meat!

In 1861, while living with his foster parents at Fort Leavenworth, Kansas, twelve-year-old Mike Kelly and his best friend Todd Blakely join the Union army as drummer boys but their dreams of glory end when they experience the full horrors of war at the Battle of Wilson's Creek in Missouri