What is secret of nimh book?

The Secret of NIMH is a children's novel published in 1971, written by Robert C. O'Brien. The book tells the story of a group of intelligent rats who have escaped from a scientific laboratory where they were subjected to experiments. The main character is a timid mouse named Mrs. Frisby, who seeks their help in moving her family's home to avoid being plowed over by a farmer's tractor. The rats, led by a brave and intelligent rat named Nicodemus, agree to help Mrs. Frisby out of gratitude for her late husband's assistance in their escape. However, their efforts are complicated by the interference of a group of malevolent rats and the looming threat of the farmer's plow. The book has been praised for its intricate plot, rich characters, and engaging themes of survival and community. It has been adapted into several film and television adaptations, cementing its status as a beloved classic.