When her best toy mysteriously disappears, Olivia the feisty pig is determined to find out who is responsible.

As Nate the Great sets to work on his first international case, he searches for a lost "something" and saves the King of Sweden from a troublesome traveler.

The reader is asked to help Nate the Great solve the mystery of his friend Annie's missing dog Fang.

Harry is upset about losing his library card three times in a row, but feels better when he learns that his father and his friend Dorcas sometimes lose things.

A mouse with typewriting skills secretly helps the people of Offley Street find lost items, and eventually saves the day.

Froggy and his father search the house for the mislaid items they will need on their bike trip.

Corduroy the teddy bear sets out one night to find a birthday present for his owner, Lisa, but soon realizes that he cannot find his way home.

King's human, Kayla, has baked some treats for a friend's new puppy, Thor, but some go missing and it is up to King to find the culprit.

When Bunny becomes separated from Ray, a magician who is his business partner and friend, he follows a crowd to a park where he has a lovely afternoon, and after the people leave and darkness falls, the lonely and frightened Bunny finds a glittering

Slipper the cat is mistakenly left behind in the commotion when the lady she has always lived with moves in with her daughter's family, so Slipper sets out to find someone new to adopt.