Ron Roy

At Green Lawn Elementary, the entire school becomes involved in a mystery when Mr. Bones, the skeleton in the nurse's office, disappears.

Dink and his friends unearth the mysterious truth behind the envelopes incorrectly delivered to his house.

When Dink, Josh, and Ruth Rose visit a dude ranch in Montana, they find themselves with another mystery to solve, this one involving the theft of money from the ranch's safe and of a large gold nugget that Josh had found.

Reports of zombies and grave-robbers alarm the people of a Louisiana swampland village, but Ruth Rose, Josh, and Dink begin to suspect that the supernatural may not be the cause of the eerie occurrences.

Dink Duncan and his two friends investigate the apparent kidnapping of famous mystery author Wallis Wallace.

When someone steals the money the town has been collecting to help the ducks, Josh and his friends try to find the thief.

It's Valentine's day in Green Lawn! But Dink, Josh, and Ruth Rose just aren't feeling the love this year. Valentine's Day was so much more fun when they were little. Then they each start getting messages and clues from a secret admirer! Can the kids figure out who wants to be their valentine?

KC tries to uncover the White House spy who is leaking secrets about the upcoming wedding of her mother and the president. KC₂s mom is getting married - to the President of the United States! KC wants the day to be perfect, but someone keeps leaking wedding secrets. The newspapers have even printed where the president and his bride are going on their honeymoon. To save the wedding, KC and Marshall must track down the spy in the White House!

Dink, Josh, and Ruth Rose are enjoying Halloween fun in Sleepy Hollow, New York, but when unplanned spooky things start happening, they investigate whether a real headless horseman might be to blame.

While investigating a mystery on New Year's Eve, four friends encounter a big surprise.