Eva Wingdale and her class are excited about their trip to Poppy's Pumpkin Farm, where every year, there is one very large, extra special, thank-you pumpkin; but on the second day of the visit the owls find that the Thank-you Pumpkin has gone missing, and the farm animals are in an uproar--so Eva and the other owls turn detective to solve the mystery of the missing pumpkin.

When the Alden children set out to solve a jewelry store robbery, they find they must also deal with a mysterious thief who steals their favorite cereal.

"Babe Ruth's baseball glove goes missing before a Baltimore Orioles game. It's up to cousins Mike and Kate to find its whereabouts"--

In New York City for the annual series between rival teams, the Yankees and the Mets, Mike and Kate investigate a spate of pranks, thefts, and sabotage.

When cousins Mike and Kate discover that the bat and ball that Hank Aaron used to hit his 715th home run have gone missing from the Atlanta Braves ballpark, apparently by someone who wants the Braves' manager fired--Mike and Kate are determined to solve the mystery and get the stolen artifacts back.

The Secret Explorers jump into action to save a pod of humpback whales, but when Connor and Roshini's submarine malfunctions, the explorers could be the ones in trouble.

As Zoom Squirrel and his friends try to identify the Mystery Reader, they learn about books, how the are written, and how to read--while sharing a-corny jokes.