After Judy obtains a mood ring, she tries to convince herself and her third-grade classmates that she can predict the future.

Dink and his two friends help Lucky find the culprit who stole Lucky's winning lottery ticket.

While visiting Dink's uncle in New York City, Dink, Josh, and Ruth Rose help uncover who is responsible for stealing a very valuable painting.

Unhappy over her parents' divorce and her mother's boyfriend Max, nine-year-old Amber finds her schoolwork suffering.

A fifth-grader uses her photographic memory, her mother, and her friend Eric to find a missing reel of a monster film they go to see.

When Ruth Rose and her friends, vacationing in Florida, discover that her grandmother is about to invest in a project to recover sunken treasure, they stumble upon evidence that the entire plan may be a fraud.

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.

Two friends share experiences in each season of the year.

Entering fourth grade, Amber faces some changes in her life as her best friend moves away and her parents divorce.

Judy is excited about becoming a doctor, especially when Class 3T starts a new unit on the human body, but she learns more about being a patient when she catches tonsillitis from her little brother, Stink.