I'm not sure specifically who Shane Black is in relation to 'The Grandmaster' novel without more context. It could be an author, a character, or someone else involved in the creation or story of the novel.
The significance of Shane Black in the novel depends on his role. If he is a character, his actions, decisions, and relationships might drive the plot forward. For example, he could be the key to solving a mystery or the catalyst for a major conflict.
Shane could be an individual with a passion for the macabre. In the context of 'Shane telling scary stories', he or she is the storyteller. Maybe Shane grew up hearing scary stories himself or herself and decided to carry on the tradition. He or she might have a collection of age - old tales, or perhaps create their own original scary stories to share with others.
The Shane novel may stand out because of its themes. It could explore themes like heroism, loyalty, and the struggle between good and evil. These themes are often timeless and can resonate with readers on a deep level. The way the author weaves these themes into the story, through the characters' interactions and the plot development, makes the novel special.
Sorry, I don't know the specific author of the first Shane Scully novel. But you can search for it in some literary databases or ask in a local bookstore. They might be able to help you out.