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.

"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?"--

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.

Wilfred the rat stumbles into a museum, where he befriends the animals living there and enjoys the many exhibits.

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

With a little courage and a lot of practice, Little Rat overcomes her fear of sailing.

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

"Meek little Mole, willful Ratty, Badger the perennial bachelor, and petulant Toad. Since their first appearance over a hundred years ago in 1908, they've become emblematic archetypes of eccentricity, folly, and friendship. And their misadventures--in gypsy caravans, stolen sports cars, and their beloved Wild Wood--continue to capture readers' imaginations and warm their hearts long after they grow up. Begun as a series of letters from Kenneth Grahame...

520 Geronimo Stilton finds himself in the wild West, where he becomes involved in a showdown with the "wickedest" rat of Cactus City.

"Nat the Cat must take a bath. But first, he wants his toys. Then he won't get in the tub without bubbles. And of course, he'll need a towel. As Nat the Cat keeps coming up with excuses to not get in the bath, the narrator can't help but wonder if he's hiding something--like a fear of water."--