Final answer:
The question lacks the necessary data to determine what percentage of visitors have never read the book or seen the movies; additional information is needed to provide an accurate answer.
Step-by-step explanation:
The question does not provide enough information to accurately determine what percentage of visitors have never read the book or seen the movies. To answer this question, one would need specific data relating to visitors' experiences with a particular book or movie. The provided reference information does not relate to the question about visitors' reading or movie-watching habits and therefore cannot be used to answer the question. If the student has additional context or data that they have not included in their question, they should provide it to receive a precise answer.