The Categorical Imperative is supposed to provide a way for us to evaluate moral actions and to make moral judgments. It is not a command to perform specific actions -- it does not say, follow the 10 commandments, or respect your elders.
A blurb on a book can be any combination of quotes from the work, the author, the publisher, reviewers or fans, a summary of the plot, a biography of the author or simply claims about the importance of the work.
A plot summary is a brief description of a piece of literature that explains what happens. In a plot summary, the author and title of the book should be referred to. Also, it is no more than a paragraph long while summarizing the main points of the story. [citation needed] See also