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.

"Miguel and Clarke help a neighbor find their lost dog, Spider. They grab their walking sticks and map. Then they set out to search the woods. Across four short stories, their adventure leads them to Spider -- and to the perfect spot for a secret fort!"--

When his favorite toy goes missing, Tommy experiences a wide range of emotions, including happiness, worry and full-blown anger, and wonders what it will take to get them under control.

Simple text tells how Dan helps Pam find her lost hat. Pam has a hat--until the wind blows it away. Will she and her friend Dan be able to catch it? Simple text tells how Dan helps Pam find her lost hat.

"What is Bear to do when he wakes up one day to find his Smile gone?"--

Nate the Great goes to San Francisco to solve a mystery with his cousin, Olivia Sharp, who is also a detective.

A little girl drops her teddy bear in the park, and he struggles to make it home to her before it gets dark.

When his most prized possession, a rare collection of Poe poems, is stolen, bookstore owner A.J. Fikry begins isolating himself from his friends, family and associates before receiving a mysterious package that compels him to remake his life. The irascible A.J. Fikry, owner of Island Books, the only bookstore on Alice Island, has already lost his wife. Now, a rare book, has been stolen from right under his nose in the most embarrassing of circumstances....

Annie searches the neighborhood for her red mitten, the fifth she's lost this winter.

After Detective Dinosaur and Officer Pterodactyl find a missing baby wearing pink diapers and a home for Cadet Kitty, they lose and rediscover each other.