Your question is not clear enough. If you can provide more context or specify which book you are referring to, I will be more than happy to provide you with a more accurate answer.
In novels, PS usually referred to as " PS software " or " P-site ". It was an online platform for sharing and publishing illustrations, comics, light novels, and other content. Many novel authors would post their novel illustrations or manga illustrations on P website and attract many readers.
PS usually referred to additional content or supplementary explanations that could be found in novels, comics, movies, and other media. It can be used to explain or supplement the plot, characters, background, and other information that is not described in detail in the article so that the reader can better understand the work. In some cases, PS can also be used to enhance the mood or atmosphere of the article to make it more attractive and readable.
PS usually referred to Power System or PlayStation. In some novels, when the word photoshop appears, it may mean that a certain character has a special ability or equipment, or a system or technology in the background of the story. However, it was important to note that the specific context and context needed to be analyzed in conjunction with the specific work.
PS is usually an contraction of the English word glyph. It can also be understood as post-printing style or post-engraving style. It is used to describe the image, text, and graphics output on a computer monitor or printer that are different from the format on printed matter. In novels, PS usually referred to the author setting some special rules or plot settings in the writing process. The purpose might be to make the story more complete, complicated, or attractive, or to leave some extra space for the reader's imagination. Of course, the specific meaning depended on the plot and background of the novel.
Definitely fiction. The PS Brothers book is filled with imaginative elements and scenarios that are not based on real events or people.
The ps that appeared at the end of some chapters in the novel was usually a kind of quote or supplementary explanation. It might have the following meanings: 1PS means that the additional content may be additional information or details added by the author to express the story or describe the background of the character so that the reader can better understand the story or character. 2PS could also mean that the author used symbols or words at the end of the novel to introduce a new paragraph or plot development to bring an additional reading experience to the reader. Sometimes PS can also be used as an additional hint to provide additional help or hints to the reader while reading the novel, such as hints or hints about the ending or key plot of the novel. Therefore, the meaning of photoshop might vary according to the type of novel, the author's style, and the plot arrangement. It needed to be understood according to the specific situation.
I'm not sure what you mean by "Bai Zhu" and "PS" at the end of the novel. Please provide more context or information so that I can better answer your questions.