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

At Green Lawn Elementary, the entire school becomes involved in a mystery when Mr. Bones, the skeleton in the nurse's office, disappears Reading level: RL 2.6 ; Ages: 6-9 ; Grades 2-4

Nate the Great solves the mystery of the missing picture.

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. The store itself, it seems, will be next to go. One night upon closing, he discovers a toddler in his children's section with a note from her mother pinned to her Elmo doll: "I want Maya to grow up in a place with books and among people...

Two turtles find a hat that looks good on both of them, but, with fairness in mind, they decide to leave it be, until night falls and one of the turtles changes its mind.

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 you're an identical twin, your story always starts with someone else. For Iris, that means her story starts with Lark. Iris has always been the grounded, capable, and rational one; Lark has been inventive, dreamy, and brilliant--and from their first moments in the world together, they've never left each other's side. Everyone around them realized early on what the two sisters already knew: they had better outcomes when they were together. When...

When she cannot find her favorite stuffed toy, a young girl asks her mother, father, and older sister for help.

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

Mr. and Mrs. Green, a loving alligator couple, try their hand at detective work, a gumball-guessing contest, and the town talent show.