From the search results list, click the title of the book you want to view.
Click the Read Online button, to open the book so that you can view the contents.
In the text box labeled "Search within book," type a word or phrase. In this case, the word marriage was the search term.
Click the Search button.
Sections of the book that mention that word or phrase will be indicated by a blue bar.
Click the down arrow next to the section title to view and/or navigate to the pages that list the search word(s).
Not all books found via Google Books provide access to the entire book. However, there are some exceptions. In some cases, you will be able to preview entire chapters or sections of books that are relevant to your research.