When the Fleischman Middle School's mascot, Principal Snider's dog Champ, disappears from his kennel before the big basketball game, most of the students think that the door was left unlatched, but Carlos, one of the four friends of Snoops, Inc., is convinced that someone took him--and it is up to the junior detectives to solve the mystery.

The Ghost Grabbers (an internet program, and Jaden's heroes) are filming a seance at the Pendleton Public Library, where the recently discovered unpublished manuscripts of the late horror author and library founder Alistair Pendleton are on display--so when the lights go out, and the manuscripts disappear, Jaden (who thinks a ghost took them), his twin sister Hayden, and the other members of Snoops Inc. swing into action to solve the mystery.

Twelve-year-old twins Hayden and Jaden, and their older friends Keisha and Carlos, call themselves Snoops, Inc., and consider it their business to catch criminals and investigate crimes--so when someone sabotages several of the projects in the sixth-grade science fair competition they set out to expose the culprit.

When his father's valuable signed baseball disappears during the team's sleepover, Ian Shin, catcher for the Scottsville Knights, suspects the new pitcher, Hunter Yates, but he cannot be sure, and his trust in his teammates is shattered--so he must uncover the truth to bring the team back together.

Thirteen-year-old Kaleb has always looked up to his older stepbrother, Luke, in snowboarding and everything else, so when Luke is wounded in Afghanistan, Kaleb is devastated. To honor his brother, he is set on competing on the difficult slopestyle course.

Gus Blackburn daydreams of being a hero wide receiver on his school's football team, but he is not naturally athletic or fast, so he spends most of his time on the bench--until his father points out that most dreams actually take hard work before they can come true.

Jax Kingsford loved playing hockey with his neighbor friend Archer Foss, but then Archer's family moved, and the team, and friendship, was split up. Now, years later, Jax has to play against Archer for the championship for his school.

Payton Park has amazed many crowds with his incredible half-pipe stunts, but while competing in a major snowboarding competition, he falls. To make matters worse, his main rival recorded his wipeout and posted it on the Internet. Now Park can't shake off the memory of his embarrassing fall and is having trouble landing stunts. He'll have to overcome his fears in time for the next competition if he hopes to nail his signature move.

At his old school fourteen-year-old Simon Wahlberg was the best player on his hockey team, but when he tries out for the Edgewater High School's varsity team he discovers that the competition is pretty fierce--and not just on the ice.

"Brian Worth Jr. is excited to try out for his middle school's basketball team. His hoop dreams are in jeopardy, though, after his dad forces him to volunteer at the local senior center. But Brian really needs to practice-- he's always relied on his height to dominate, but that won't cut it anymore. When Brian discovers that George, a man at the center, used to play basketball, this is his chance to learn some moves. Brian's working hard and even...