The reader is invited to help Duck and his animal friends find a missing item.

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

On a class trip to the birdhouse, Pinkalicious discovers that the parakeet has escaped and tries to bring the bird back home.

When the Scooby Snacks disappear, Scooby and his friends embark on a mission to recover the snacks and find the thief.

During their Alaskan vacation, Frank and Joe Hardy help falconer Kate when her beloved peregrine goes missing.

In this story without words, Molly must overcome her fear of the shadowy monsters that only she can see in order to return a lost book, and so make a new friend.

"A rhyming alphabet book featuring a family who have lost their dog at a Pride parade"--

Principal Wagner confidently deals with a faculty washroom crisis, a psychic parrot, and a terrorizing gerbil, but when sixty-five erasers go missing, he enlists the help of the school's best problem solver and locator of lost items, twelve-year-old Lyle Williams, aka Mudshark.

When their most valuable loot, a big hunk of cheese, is stolen, Riff Raff and his rodent pirate gang embark on a quest to reclaim their lost treasure.

Overseeing a "zoo-brary" that lends out all types of animals, librarian Miss Perkins discovers that the tiger has gone missing, a disappearance that triggers a citywide search alongside a new friend.