"Green Eggs and Ham" is a children's book written by Dr. Seuss. It tells the story of a character named Sam-I-Am, who persistently encourages another character to try a dish of green eggs and ham. The book is known for its simple rhymes and repetitive structure, making it engaging for young readers. Throughout the story, the reluctant character refuses to taste the dish in various locations and situations. Eventually, he agrees to try the green eggs and ham, discovering that he actually enjoys it. The book promotes themes of open-mindedness and the importance of trying new things.