Overview: Mrs. Frisby, a widowed mouse with four small children, 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, an extraordinary breed of highly intelligent creatures, who come up with a brilliant solution to her dilemma.

"When Joey is bitten by a rat, he goes from aspiring seventh-grader to three-inch tall rodent, and unwittingly unlocks the sword Ratscalibur"--

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.

A lavender rat that has escaped from a laboratory, and a lonely boy whose parents are scientists, meet on an orbiting space station, communicate by email, and ultimately find themselves in need of each other's help and friendship. A literate lavender rat, fleeing from an experiment, accidentally stows away on a space station. In addition to the scientists, technicians, and astronauts on board, there is a lonely young boy who attracts the rat's attention,...

"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"--

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-year-old Gregor and his younger sister, Boots, return to the Underworld beneath New York City to find the cure for a terrible plague that threatens the life of their mother, as well as the lives of the people, bats, and rats who populate the underworld.

In his second adventure, eleven-year-old Gregor returns to the world beneath New York City to rescue his kidnapped sister, Boots, and fulfill a prophecy that will restore peace to the people, bats, rats, cockroaches, and spiders who populate the underworld. Gregor is summoned back to the Underland by the terms of a second prophecy. Spies have reported the sighting of a Rat King, a character who has been legendary since the Middle Ages. Recognizable...

While on a rescue mission, a few daring mice journey below to the sewers to an evil world populated by rats who peel mice before eating them and worship the Dark Lord.

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