When writing a summary, remember that it should be in the form of a paragraph. A summary begins with an introductory sentence that states the text's title, author and main point of the text as you see it. A summary is written in your own words. A summary contains only the ideas of the original text.
The adjective that is highlighted in the given sentence above is the word "all". This word is an example of an indefinite adjective. An indefinite word is used when it indicates a nonspecific amount or number of something or someone. The word "all" describes the word "books".
