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

Lost something? Gabriela Rose knows how to get it back. As a recovery agent, she's hired by individuals and companies seeking lost treasures, stolen heirlooms, or missing assets of any kind. She's reliable, cool under pressure, and well trained in weapons of all types. But Gabriela's latest job isn't for some bamboozled billionaire, it's for her own family, whose home is going to be wiped off the map if they can't come up with a lot of money fast....

After a class trip to a floating zoo where animals are mistreated and Savannah's missing pet monkey is found in a cage, Long Island sixth-grader Griffin Bing and his band of misfits plan a rescue.

Nate the Great and his dog Sludge look for Annie's housekey which has mysteriously disappeared.

With her kitten, Moisturizer, missing and having fought with her best friend, Margaret, eight-year-old Clementine finds it hard to concentrate on doing her best as her classmate's Friend of the Week.

Penny feels guilty after taking a beautiful blue marble that she sees in Mrs. Goodwin's grass, but gets a pleasant surprise when she goes to return it the next day.

When Harry, the class pet, gets out while at Amelia Bedelia's school break, Amelia and her friends must find him.

"Sanity and Tallulah live in a space station at the end of the galaxy. When Sanity's illegally created three-headed kitten escapes, the girls have to turn their home upside down to find her in this graphic novel"--

Mr. Fish feels nervous venturing deep in the sea to look for Ms. Clam's lost pearl until Miss Shimmer helps him conquer his fear of the dark.

Upon finding a toy rabbit in the forest, Bear tries his very best to return it to its home but by the time its owner appears, Bear has become attached to Bunny.