"Hold on to your hats for the conclusion of the celebrated hat trilogy by Caldecott Medalist Jon Klassen, who gives his deadpan finale a surprising new twist. Two turtles have found a hat. The hat looks good on both of them. But there are two turtles. And there is only one hat. ...Evoking hilarity and sympathy, the shifting eyes tell the tale in this brilliantly paced story in three parts, highlighting Jon Klassen's visual comedy and deceptive simplicity....

At Green Lawn Elementary, the entire school becomes involved in a mystery when Mr. Bones, the skeleton in the nurse's office, disappears.

A young dog experiences the fear of being lost and the joys of being found when she becomes separated from her owner.

When a wolf cub and little girl are lost in a snowstorm they must find their way home.

Using her excellent memory, Cam Jansen, aided by her friend Eric, investigates the disappearance of Mrs. Scott's valuable pearl necklace during a charity brunch.

Dink and his friends investigate why pets, like Mrs. Davis's canary, Mozart, are mysteriously disappearing all over town.

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

When calamity stalks every step of the preparations for the Tappletons' Thanksgiving dinner, they realize that there is more to Thanksgiving than turkey and trimmings.

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

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