While the Petersons are enjoying a winter picnic at Loon Lake Park, Lizzie rescues a lost puppy in trouble and then sets out to find its owner.

Jigsaw investigates when a scarecrow seems to be able to walk.

While traveling with her family to Holland to visit her grandparents, Trixie once again loses her beloved Knuffle Bunny.

After Trixie and daddy leave the laundromat, something very important turns up missing.

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

"Ewe is the star of the show, but her jewel is missing. Dog detectives Lew and Drew are on the case!"-- Provided by publisher.

Biff and Buff are two very small dogs who are happy to travel in Mr. Pockets's pockets, until Biff falls through a hole one day.

Cow friends Minnie and Moo search for a jelly donut thief who may have left behind a blue feather.

Collecting things dropped or left behind by others and writing stories about them as a tribute to the fiancée who died the day he lost one of her keepsakes, a man bequeaths his estate to his unsuspecting assistant, who bonds with new neighbors while attempting to reunite the objects with their owners. Andrew Peardew collects things dropped or left behind by others and writing stories about them. He does this as a tribute to the fiancée who died...

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