What is the fine-grained topic of the following text: Well, with the Book Festival starting yesterday, I guess all the Edinburgh Festivals are in full swing (the Film Festival having been cunningly moved to an earlier slot in the year to coincide with the other European Film Festivals), so imagine my suprise while sitting in a cafe in the Grassmarket, I see that right at the top of the top ten Theatre and Performance events in "The Skinny" is "The Call of Cthulhu" - "One man and the Great Beast that lies dreaming of reclaiming its planet. Only return the topic.
The fine-grained topic of the text is "The Edinburgh Festivals and a highlighted Theatre and Performance event, 'The Call of Cthulhu' ".