Timothy Frisby, a field mouse, teams up with the adventurous young rat Racso as together they try to prevent the destruction of a secret community of rats that can read and write.

Shares the author's experiences with her pet rat Iris, offering anecdotes of her antics and other rat owners and discussing how to care for rats, health concerns, life spans, and eating habits.

Contrasts the characteristics of a wide variety of mice and rats.

Get ready to look at rats in a whole new way. These intelligent, compassionate creatures are greatly misunderstood.

One morning the residents of Dull-on-Sea wake up to find their town is overrun -- with rats! Big rats, small rats, fierce rats, hungry rats. It's an infestation! Just when everyone is at their wits' end, a nautical stranger who plays the pipe turns up and offers to get rid of the rodent problem for a fee. But once the rats are gone, the greedy mayor of Dull-on-Sea refuses to pay -- so the Pirate Piper plays an enchanted tune and leads the children...

Little Rat overcomes her fear and learns to ride a horse, just like her daddy did when he was young.

When they find a rabbit flattened in the road, a dog and a rat decide to give the deceased animal a proper sendoff.

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.

Chuck Wood asks Louie Ratso to help him win the heart of Fluffy Rabbitski, which makes Louie's brother Ralphie upset that Louie is no longer spending all his time with him.

When Super Turbo gets caught in a mousetrap in the school cafeteria, he must ally with his archnemesis Whiskerface to help him escape.