"Shelly, Echo, Kiki, and Pearl are spending their school vacation at Neptune's castle! Shelly's aunt, Queen Edwina, has invited the girls to stay for a whole week, and while they're there the girls can't wait to visit the Royal Orca Museum, see the Palace Library, ride seahorses, and maybe even attend a royal ball. Shelly is nervous about meeting her royal family, especially since she's never felt like a princess. But when she arrives at the castle,...

When Willy wakes up without his favorite toy, he looks everywhere until he finds it.

When Emma's little brother Jake looks after the neighbor's dog in preparation for getting his own puppy, the pet goes missing and Emma and the rest of the girls have to find it before the owner comes home.

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.

A young spy in training has to put her sneaky skills to the test when the class pet goes missing.

Because of their good behavior, Freddy and his classmates receive a special treat from the Pumpkin Elf--pumpkins to decorate for Halloween--but when Freddy's creation disappears before the contest, he is too sad to start anew.

A latest series entry by the Geisel Honor-winning team finds King and Kayla helping their friend Asia, who has discovered that her new gold ring has gone missing after a day of playing in the snow.

Although Cork the muskrat is short and likes to find things and Fuzz the possum is tall and likes to keep things, the pair remain best friends even after Fuzz finds Cork's lost stone and decides to keep it.

Tucker the Jack Russell terrier packs his bags and takes the train to the beach for an adventure, but after a fun day he discovers that he does not know how to get home.

One blustery day, Boof the bear's lucky red leaf gets swept away by the wind. Fortunately for him, Pine the porcupine just happens to walk by with his lucky compass--and the two set off on an adventure to find the lost leaf, only to discover true friendship in the process.