"Dink, Josh, and, Ruth Rose solve a Valentine's Day mystery"--

Danny Dragonbreath and his friends try to help the senior reptiles of Sunny Acres find a lost item.

Bunny and Jack, animal detectives, investigate the disappearance of the balloons from the neighborhood toy store.

Detective Jigsaw Jones and his friend, Mila, have a new case to solve after they happen upon a genuine mummy at the class Halloween party.

The Alden children, isolated in a storm at a small bus station, are led into a mystery centering on a polluted river.

While Cam's Aunt Molly is competing in a comedy contest, the expensive plate the winner will receive disappears and Cam and Eric set out to find it before the contest is over.

When Duckie, a terry cloth duck, loses his brain and can no longer tell stories to the other toys, Tuff Fluff the private investigator must solve the case.

Bedeviled by evil fairies that only she can see, thirteen-year-old Tanya is sent to stay with her cold and distant grandmother at Elvesden Manor, where she and the caretaker's son solve a disturbing mystery that leads them to the discovery that Tanya's life is in danger.

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