Rat brothers Louie and Ralphie Ratso try to prove they can be as rough and tough as their father in the Big City, but every time they try to show how tough they are, they end up accidentally doing good deeds instead.

When Emmy discovers that she and her formerly loving parents are being drugged by their evil nanny with rodent potions that can change people in frightening ways, she and some new friends must try everything possible to return things to normal.

Alone in his apartment during Christmas vacation, eleven-year-old Eric finds himself caught in a battle between a strange exterminator and the rat he wants to kill.

Eleven years after the cruel Killdeer took over the Catacombs far beneath the human's Trillium City, Juniper Belancourt, assisted by Vincent and Victor Nightshade, leads a maverick band of rats to escape and establish their own city.

Geronimo Stilton finds himself in the wild West, where he gets into a showdown with an evil rat.

While searching for the Rat with the Human Face, friendships fray as club members Dave and Lyle compete for Marilla.

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,...

In seventeenth-century China, orphaned ShaoShu, who can squeeze into small spaces, puts his life in danger when he becomes a spy for a young band of warrior monks known as the Five Ancestors and bravely infiltrates evil Tonglong's camp.

"Rat law says that if you're a rat, cheese belongs to you. Got it? Good. However, there are exceptions..."--Jacket flap.

Delphine the seamstress mouse uses her needle's ancient magic to save the kingdom from King Midnight.