When cousins Mike and Kate go to Kansas City for the All-Star game, they meet the son of the American League starting catcher who stands falsely accused of playing practical jokes on his All-Star teammates.

At Halloween, facing a series of disasters while pet sitting, thirteen-year-old twins Ashley and Bryce gain insights into their principal and classmate Boo, and investigate a string of robberies at fast food restaurants in and around Red Rock.

"After a small tornado hits Selinsgrove during a night time thunderstorm, Hilde and her sister/photographer Izzy wake up to find fish flopping all over Orange Street, and they set out to document the path of minor destruction for their newspaper--and solve the mystery of where the fish came from."--

Nine-year-old Nicholas Benedict, an orphan afflicted with an unfortunate nose and with narcolepsy, is sent to a new orphanage where he encounters vicious bullies, selfish adults, strange circumstances, and a mystery that could change his life forever.

KC and her friend Marshall accompany KC's stepfather, the United States President, to remote Camp David, where they find clues that point to either ghostly or criminal activity.

Follows fifth grader Max as he searches for his best friend who disappeared, leaving behind a strange note.

While working on a project translating letters from sixteenth-century Prague, high school senior Nora Kane discovers her best friend murdered with her boyfriend the apparent killer and is caught up in a dangerous web of secret societies and shadowy conspirators, all searching for a mysterious ancient device purported to allow direct communication with God.

"There are a few things you should know about Harriet Wermer: She just finished third grade. She has a perfect cat named Matzo Ball. She doesn't always tell the truth. She is very happy to be spending summer vacation away from home and her mom and dad and all the wonderful things she had been planning all year. Okay, maybe that last one isn't entirely the truth. Of course, there's nothing Harriet doesn't like about Marble Island, the small island...

Cousins Mike and Kate must help the Philadelphia Phillies' mascot, the Phillie Phanatic, clear his name after the team's bats begin to suspiciously break during games.

"Mike and Kate are visiting the Miami Marlins ballpark when some rare animals from the ballpark's fish tanks go missing"--Provided by publisher.