It could be that this 'every day and another day novel' might be about the passage of time. Maybe it shows how each day is different yet connected, like in a story where the plot unfolds day by day, with new events and developments on every day and then another day.
One way to build tension on the first day of a novel is to introduce a threat. For example, if the main character is a journalist, they could receive an anonymous warning not to pursue a certain story. This immediately creates a sense of danger.
I don't really know who Shelby Day is in this context as I haven't read the book. But I assume Shelby Day is the author of the novel who has created this story about the lost girl.
There was a novel called " Happy Everyday, Free and Unfettered Immortal " that mentioned reincarnation or transmigration. This novel was a classic Xianxia novel. It told the story of the protagonist, Fang Yun, who was reborn into the world of happiness every day. He used the experience and skills accumulated in his previous life to become a strong person in the world of happiness every day. Not only did the novel have wonderful battle scenes and character creation, but it also had profound philosophical thinking and emotional descriptions that were deeply loved by readers.
No, it doesn't seem to be a very popular genre. Most readers are more familiar with traditional genres. However, for those who enjoy experimental or unique storytelling, the '365 day novel' might be interesting. It's not something you see on the best - seller lists very often, but there could be a small group of enthusiasts out there.
I haven't read this novel specifically. But generally, a 'kidnapping' in a novel often serves as a crucial plot device. It can create high - tension situations, drive the story forward, and reveal the true nature of characters. Maybe in this novel, the day of the kidnapping is a turning point that sets off a chain of events, like the protagonist's journey to rescue the kidnapped or the uncovering of a hidden conspiracy.
An 'order of the day novel' could refer to a novel that is very popular or relevant at a particular time. It might deal with the current social, political, or cultural issues of that day. For example, during a time of war, a novel that focuses on the experiences of soldiers or the impact of war on society could be considered an 'order of the day novel'.
Since we don't have much information, we can only make speculations. 'The 100 day 21 novel' might be a very unique literary work. The '100 days' could imply a process of transformation or development in the story. The number '21' might be symbolic, like there are 21 days to form a habit, so perhaps it has something to do with characters forming new ways of thinking or behaving within the 100 - day span of the story.