Skip to the book lists
Mrs. Frisby and the Rats of NIMH book cover

Mrs. Frisby and the Rats of NIMH

A widowed field mouse must save her sick son from the farmer's plow and turns to escaped laboratory rats whose intelligence has created both power and moral responsibility.

First published
1971
Reading stage
For older children
Check the book on Amazon ↗As an Amazon Associate, Owl and Page earns from qualifying purchases.

Reading this with your child

Mrs. Frisby's deadline keeps the fantasy grounded

Timothy has pneumonia and cannot be moved, while spring plowing approaches. Track the options Mrs. Frisby tries and what each ally contributes; the practical rescue plot prevents the rats' history from becoming detached exposition.

The rats' intelligence creates an ethical problem

The rats escaped experiments at NIMH and built a comfortable life partly by taking human resources. Their Plan is an attempt to live by producing rather than stealing. Ask why knowledge brings obligations as well as advantages.

Content is more demanding than the animal cast suggests

The publisher lists the 240-page novel for ages eight to twelve. It includes illness, predators, laboratory experimentation, electrocution, drugging and deaths during the escape, so preview it before offering it as a gentle talking-animal story.

Compare before choosing: Trumpet offers a gentler animal quest centered on communication and work; NIMH brings a tighter deadline, scientific experimentation and a community ethics debate. View the comparison title →

More books from the 1970s