Since we don't know much about it, it's hard to have specific expectations. But if we look at their previous works, if they have any common themes or styles, we might be able to make some educated guesses. For example, if they usually write crime novels, there's a good chance the new one will also involve elements of crime, like investigations, criminals, and detectives. However, authors also like to experiment and surprise their readers, so it could be a departure from their usual fare. Maybe it'll have a more complex narrative structure or explore different social issues compared to their earlier works.
It's very difficult to anticipate what their new novel will be like. They might introduce new characters with unique personalities and backstories. The setting could be in a completely new and unexpected location. If they are known for their in - depth character development, we can expect well - rounded and multi - dimensional characters in the new novel. Also, depending on their interests and the current trends in literature, they could incorporate elements such as new technological concepts or different cultural perspectives. But until we get some hints or teasers, it's all just speculation.