Final answer:
Dr. Seuss wrote Green Eggs and Ham as a result of a challenge to use only 50 different words. It was published in 1960 and tells the story of Sam-I-Am trying to convince someone to try green eggs and ham.
Step-by-step explanation:
The book that was the result of the publisher's challenge to Dr. Seuss to write using only 50 different words is Green Eggs and Ham. This beloved children's book was originally published in 1960. It tells the story of Sam-I-Am trying to convince the main character to try green eggs and ham in various locations and situations.