Having no one to help her with her problems, a widowed mouse visits the rats whose former imprisonment in a laboratory made them wise and long lived. Mrs. Frisby, a widowed mouse with four small children, is faced with a terrible problem. She must move her family to their summer quarters immediately, or face almost certain death. But her youngest son, Timothy, lies ill with pneumonia and must not be moved. Fortunately, she encounters the rats of NIMH,...

"Orris the rat lives alone in an old barn surrounded by his treasures, until the day his solitude is disrupted by a sudden flutter of wings and a loud screech. A small owl has gotten caught in a trap in the barn. Can Orris "make the good and noble choice" (as the king on his prized sardine can might recommend) and rescue the owl, despite the fact that owls and rats are natural enemies? And if he does, will he be ready for the consequences?"-- Provided...

"It is Princess Harriet Hamsterbone to the rescue when Heady the hydra's egg is stolen, but her search leads her to a castle accessible only by a rat with a very long tail."-- Provided by publisher.

Rat and Duck run a bookshop and work to find the right book for each of their customers.

When Audrey, a spirited town mouse, reluctantly keeps a promise to accompany a black rat to the country, she witnesses the return of a supernatural evil she thought had been destroyed.

Little Rat loves the violin but hates to practice, until her teacher suggests she perform a duet with one of the advanced students at the holiday concert.

Geronimo Stilton, newspaper publisher and writer of adventure stories, was in love. Determined to prove his love, he joined his family on a journey to the Eighth wonder of the World where he made a discovery so amazing he knew it would help him win the heart of his darly ratlette.

Louie and Ralphie attempt to renovate a cluttered lot into a community arcade only to be confronted by fears that the lot is haunted. Louie and Ralphie Ratso have a genius idea: if they clear out the lot down the street, they can use all the junk lying around to build makeshift games for a Big City FunTime Arcade! With their friends to help, they'll be able to recycle all the old abandoned stuff into whack-a-mouse, a high-striker, a fortune-telling...

Ralph, a short order cook, rescues a kidnapped opera singer from Big Al and his gang of nasty rats.

Mr. Cat and Mr. Rat enjoy playing tricks on one another, but they discover true friendship after one receives a tasty gift that he believes is from the other.