It's a comic. The 'Batman White Knight' series has been praised for its stunning visuals and complex storytelling that are characteristic of the comic medium. It delves deep into the Batman mythos, presenting a different take on the characters, and this is often best conveyed through the sequential art and dialogue bubbles that are typical of comics. It also has a distinct art style that helps bring the story to life in a way that is more in line with the comic book experience rather than that of a novel.
Batman Arkham Knight isn't based on any particular comic. Instead, it pulls concepts and themes from a variety of Batman comic runs to shape its story and gameplay. It's a creative blend of different aspects of the Batman comic universe.
Definitely. 'Batman a true dark knight story' offers a unique perspective on the Batman lore. It presents him not just as a superhero but as a complex, flawed individual. The art style, if it has one in the particular version you're referring to, can also add to the overall atmosphere, making it a must - read for Batman fans.
It's quite important. It continues the story of Batman in a new and exciting way. It might introduce new villains or develop the relationships of existing characters further.