Book Series · 3 Books

Rats of NIMH Books

In order from Mrs. Frisby and the Rats of NIMH to R-T, Margaret, and the Rats of NIMH.

The Rats of NIMH series is a set of 3 chapter books by Jane Leslie Conly, published between 1971 and 1990. Written for ages 8–12, most books run about 270 pages. Subjects across the series include illness and problem solving.

Mrs. Frisby and the Rats of NIMH
Racso and the Rats of NIMH
R-T, Margaret, and the Rats of NIMH
Mrs. Frisby and the Rats of NIMH
Racso and the Rats of NIMH
Where the story begins

First Book in the Series

Mrs. Frisby and the Rats of NIMH
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$858
Book #1 · Chapter Book · Ages 8–12 · 1971

Mrs. Frisby and the Rats of NIMH

A mouse seeks help from intelligent rats to save her sick son.

233 pages· 53,663 words· Est. 7.5 hour read
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Summary: Mrs. Frisby, a widowed mouse, faces a dire dilemma: move her family or risk their lives. Her son Timothy is too ill to travel. Enter the rats of NIMH, a group of ingenious creatures with a plan that could save them all. As Mrs. Frisby navigates this unexpected alliance, she discovers secrets that could change everything. Can she trust these extraordinary rats, and what will she learn about courage and sacrifice along the way? Dive into a tale of survival, intelligence, and unexpected friendships.
In reading order

Rats of NIMH Series

3 books · Published 1971–1990

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Common Questions

How many books are in the Rats of NIMH series?

There are 3 books in the Rats of NIMH series. It began with Mrs. Frisby and the Rats of NIMH in 1971, and the newest book, R-T, Margaret, and the Rats of NIMH, was published in 1990.

What order should you read the Rats of NIMH books in?

Start with Mrs. Frisby and the Rats of NIMH and follow the series order — the books above are numbered #1 through #3.

What ages are the Rats of NIMH books best for?

The series is best for ages 8–12, based on the age ranges of the individual books.

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The people who bring Rats of NIMH to life.

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