Introduction to Mrs. Frisby and the Rats of NIMH Written by Robert C. O'Brien illustrated by Justin Todd. Hi, and welcome to Mrs. Frisby and the Rats of NIMH. This novel centers around a colony of escaped lab rats, the rats of NIMH. They live in a technologically sophisticated and literate society mimicking that of humans. They come to the aid of Mrs. Frisby, a field mouse who seeks to protect her children and home from destruction by a farmer's plow. Send me a message for your free pdf copy of this book. https://www.italki.com/en/teacher/13365914