I don't have the specific date for when the Egghead Arc started in manga off the top of my head. But you can probably find it by researching on manga-related blogs or by asking fellow manga enthusiasts.
A great book preview can increase the sales of a novel significantly. If the preview is engaging, it makes readers curious about the rest of the story, so they are more likely to buy the book.
Well, one common way is to look for 'preview' or 'sneak peek' sections on the story's publishing page. Also, subscribing to newsletters related to the genre or author might give you access to early previews. Another option is to follow the author's social media accounts where they might share glimpses of upcoming stories.
One way to preview a story is to read reviews or comments from others who have read it. That can give you an idea of what to expect. Also, you could check out the author's previous works if they have any to get a sense of their style and storytelling.
Well, one way to preview a novel is to read reviews and summaries. Reviews can give you an idea of what others thought, and summaries provide a brief overview of the plot. Another option is to check if there are any trailers or teasers available for the novel, especially if it's a highly anticipated release.