1. If you want to write a novel, you should have a strong imagination. 2. Tom Sawyer and his friends were looking for adventure in the cave. 3. Miss Maple is a fictional detective. 4. The police started an investigation into the crime. 5. Dr. Watson was Sherlock Holmes's loyal friend. 6. Colin Dexter, a famous author, created a fictional character that became popular with readers. 7. Sherlock Holmes is famous for his neat appearance. 8. The police try to solve the mystery of his disappearance.