The Case of the Missing Mascot - Entering their first year in high school, Jess & Katie will encounter the many challenges that you might expect. However, what they didn't expect, was some unexpected flirting--with each other! In the midst of another investigation, will this innocent flirting distract them from their investigation? Or will they set those feelings aside to solve the case of the missing mascot? The Haunted House: Quest for the Hidden Treasure! - Jess & Katie are looking forward to a fun-filled summer when an unexpected visitor leads them on an investigation of a haunted house. As they search for clues both past and present, will their investigation lead them to solving the mystery? Or will they find that their quest has just begun?

Wishbone and Sam investigate the disappearance of the head from the Oakdale Bulldogs' mascot costume from a locked car.

The River Heights High Wildcats are facing their bitter rivals, Red Rocks High, in a girls’ softball play-off game. But before the first pitch is thrown, the spirit of foul play intrudes. Someone breaks into River Heights High and steals the school’s prized trophies—a treasured portrait of a pioneering woman coach and the team mascot’s cougar costume! Nancy, however, is convinced that the theft is not a simple case of bad sportsmanship. For the closer she comes to the truth, the more dangerous the game becomes. The burglar has already demonstrated a talent for disguise and deception…and has now decided to play true hardball, taking aim at Nancy Drew!

For Jessica and Megan life was simple.That was until the day that a mysterious package arrived and turned their worlds upside down.Nothing could prepare them for what was to come and now they must rely on each other, their sisterly bond the one thing that will keep them together.If that wasn't enough somebody has kidnapped the school mascot and the sisters may be the only ones who can crack the case and bring her back.Who said being a kid was easy?