Mrs. Frisby and the Rats of NIMH

The novel tells the story of Mrs. Frisby, a field mouse whose son Timothy is ill as moving day approaches.

She enlists the help of a group of highly intelligent experimental rats who have escaped from the National Institute of Mental Health (NIMH).

These rats, led by Nicodemus, have built an underground world with advanced amenities and are planning a new civilization.

Mrs. Frisby learns that her late husband, Jonathan, was part of this group of rats, and they agree to help her move her home to safety.

The story explores themes of intelligence, community, and the quest for a better life.