As of my last update in early 2023, I am unable to provide specific details about an author named Eva Marks, as this name does not correspond to a widely recognized public figure within the literary community or popular media. It is possible that Eva Marks could be an emerging writer, a self-published author, or someone known in particular circles or for specific types of literature. If Eva Marks is an emerging author or has recently come into prominence, I would not have details on her body of work, biography, or literary contributions. However, if you can provide additional context or details, such as the title of a book she wrote or the genre she specializes in, I might be able to offer more relevant information or at least guide you on how to find more about her and her work. It's also worth noting that authors and other public figures can gain recognition at any time, and updated information may become available after my last update.