The Lost Island. Islands can be isolated and full of unknowns. The 'lost' part implies that there are things on this island that are waiting to be discovered, and in a thriller, those things are usually dangerous or mysterious.
Shadow of Doubt. This title makes the readers wonder what is causing that shadow of doubt. Is it a character's past? A mystery in the present? It immediately hooks the audience into the thriller plot.
One good title could be 'The Darkening Shadow'. It gives a sense of something menacing approaching. Another could be 'Whispers in the Night' which implies a mystery and a sense of unease. And 'The Hidden Danger' is also great as it makes the reader wonder what the danger is that's hidden.
The Lost Clue. It immediately makes the reader think about a mystery that needs to be solved. There was a clue, but it's lost, and the story will likely be about the search for that crucial piece of information.
Some good titles could be 'The Enigmatic Manor'. It gives a sense of mystery as manors are often associated with secrets and hidden stories. Another one could be 'The Vanishing Clue'. This title makes the reader wonder about what the clue is and why it vanished. Also, 'The Shadow's Secret' is good as'shadow' often represents something unknown and a'secret' is a key element in a mystery story.
Some possible titles could be 'The Silent Killer's Trail', 'Murder in the Shadows', 'The Enigmatic Death'. These titles create a sense of mystery and intrigue which are essential for a murder mystery story. 'The Silent Killer's Trail' gives the idea that there is a killer out there whose actions are not easily detected, and the police or the detective has to follow a difficult trail to catch the culprit. 'Murder in the Shadows' implies that the murder happened in a secretive or hidden place, adding to the mystery. 'The Enigmatic Death' makes the reader wonder what was so strange or puzzling about the death.
One of the best is 'The Girl with the Dragon Tattoo' by Stieg Larsson. It has a complex mystery involving a decades - old disappearance, a troubled journalist, and a brilliant but damaged hacker. The story is full of twists and turns that keep you on the edge of your seat.
'Rescuers in the Rubble: After the Plane Crash'. This title shows that the rescuers are in the middle of the chaos after the plane crash, highlighting their importance.", "Answer2":: " 'Plane Crash: Where Rescuers are the True Heroes'. It clearly states that the rescuers are the heroes in the context of a plane crash, which can be a great hook for the readers.
Some good titles could be 'The Enigmatic Mansion', 'The Vanishing Clue', 'The Shadowy Suspect'.
I would recommend 'The Girl with the Dragon Tattoo' by Stieg Larsson. It combines mystery, thriller, and some elements of crime investigation. The main character, Lisbeth Salander, is a very interesting and complex figure.
One great crime thriller mystery novel is 'The Girl with the Dragon Tattoo' by Stieg Larsson. It has a complex plot full of mystery and engaging characters.