Quiz lit it helped me especially this specific question
Answer:
The book is about the conflict between man and nature. More specifically, the struggles of Mrs. Frisby vs. whether or not to face the plow head-on.
Explanation:
Frisby and the Rats of NIMH is Man (non-human protagonist ) vs. Nature. When Mrs. Frisby's son Timothy comes down with pneumonia, she faces a serious choice: try to escape to the woods to avoid plowing, or stay in hopes that their home will be missed by the plow.
Yes it is an hero because he help them