I'm not certain. Since I'm not very familiar with these specific 'Kline Hannah' mystery novels, it's hard to say if they are popular. They could be a niche favorite or not well - known at all.
There are indeed. A lot of fanfiction writers explore Jack Kline's character in different ways. For example, they might write about his struggle with his powers and how he tries to fit into the world of hunters. Some fanfictions also delve into his backstory more deeply, creating interesting twists and turns that you don't see in the original show.
Since I don't know who this Carl Kline is, it's difficult to say. However, if he's a freelancer, his top stories might cover a wide range of topics. For example, he could have written great pieces on environmental issues in his region, such as a successful tree - planting campaign. Or perhaps he has done some in - depth interviews with interesting local personalities, like an old - time craftsman who is keeping a traditional art alive.
I'm not entirely sure as the statement is rather unclear. It could potentially be a fanfiction where Jack Kline, a character perhaps, is depicted as a baby in some way within the fictional narrative.
One common theme is friendship. Jack Kline is often depicted forming deep friendships with original characters. For example, in some fanfictions, an OC might help Jack understand the human world better, and their friendship becomes a central part of the story.
There isn't a widely known and publicly detailed 'love story' in a romantic sense between Kevin Kline and Phoebe Cates in a very elaborate and documented way. They are both actors who may have worked together or been in the same industry circles. Maybe they had a friendly professional relationship rather than a romantic love story that's highly publicized.
One common theme is friendship. Jack often forms strong bonds with female characters in these fanfictions. Another theme is growth, as the female characters can inspire Jack to develop in different ways.
One benefit could be the exposure to Bonnie Kline's unique writing style. If her stories are well - written, it can improve readers' literary appreciation.