There might be a group of friends or family members. One of them could be a curious youngster who stumbles upon the mystery. They then enlist the help of others, like an older sibling or a family friend who has some special skills, such as being good at solving puzzles or having knowledge of the London Eye's history.
I'm not sure exactly as I haven't read these novels in detail. But it could be a detective who is investigating a mystery related to the London Eye. Maybe a local who has some inside knowledge about the place.
Well, one interesting aspect could be the setting around the London Eye. It gives a unique backdrop for the mystery to unfold. The characters might interact with the tourists and the general hubbub around this famous landmark.
Peter Grant is one of the main characters. He's a police constable who also has magical abilities.
I'm not sure specifically as I haven't read this particular novel. But generally, there would likely be a protagonist who is either seeking revenge or being targeted for revenge. There might also be an antagonist who has committed the initial wrong that sets the 'an eye for an eye' cycle in motion.
One of the best London - set mystery novels is 'Sherlock Holmes' series by Arthur Conan Doyle. It features the brilliant detective Sherlock Holmes and his loyal friend Dr. Watson solving complex mysteries in the streets of London.
In Poe's mystery novels, C. Auguste Dupin is a very important main character. He is a highly intelligent detective with great deductive skills, as seen in 'The Murders in the Rue Morgue' and 'The Purloined Letter' where he uses his wits to solve complex mysteries.
The main character is Inspector William Murdoch. He is a very intelligent and dedicated detective. He uses modern (for the time) forensic techniques to solve crimes.
There are also characters like Tommy and Tuppence Beresford. They are a young couple who often find themselves involved in various mysteries. Their relationship and their different personalities contribute to the story as they work together to solve the cases in novels like 'The Secret Adversary'.
One of the main characters could be the detective - like figure. He is often intelligent and observant, always on the lookout for clues. For example, in some novels, he might be a private investigator who has a reputation for solving difficult cases.
There are also some recurring characters like the police captain who Columbo reports to. This character adds another layer to the story as he sometimes questions Columbo's unorthodox methods but in the end is always impressed by his results. And then there are the witnesses, who provide important clues for Columbo to solve the mystery.
Amanda Kendall also plays an important role. She has a relationship with Sidney that adds a touch of romance and further complexity to the story. These main characters, along with the various villagers and other secondary characters, create a rich tapestry in the Grantchester mystery novels.