There is a possibility. Many popular books are turned into graphic novels these days. 'The Mark of Athena' has a rich story with interesting characters and a complex plot. If it were to be made into a graphic novel, the artists could really bring the world and the characters to life in a new and exciting way. But it depends on the publishers and the rights holders. They need to see the market potential and weigh the costs and benefits. Maybe if there is enough demand from fans, it could become a reality.
Yes. However, availability might vary. Sometimes it could be out of stock or only available in certain editions. You might have better luck searching on specific book-selling websites or at local comic conventions.
I'm not entirely sure as I haven't read it in full. But generally, it might be about the adventures related to Athena. It could involve characters who are on a quest that has something to do with the mark of Athena, perhaps a symbol that holds great power or significance in the story's world.
If these are part of a series, it might be a good idea to start from the first one in the series. Check if your local library has them available in digital or physical form. You could also ask in online book clubs or forums for more information on where to access these four novels.
The reading mark in Athena fanfiction could refer to various things. It might be about highlighting important plot points. For example, if there's a significant moment where Athena reveals her true power, that could be a key reading mark. Another aspect could be character development. If Athena goes through a major change in the story, like becoming more empathetic, that's also a notable reading mark.