Question

You've located three books on a topic you're researching for an essay. The first thing you should do in determining if any of these books will be useful is, In what way will you know that the book is useful for your research?. A. Inspect each book jacket for notes about the author. B. Browse each book from front to back. C. Study the table of contents carefully in each book. D. Examine the index of each book.

Answer 1

I'd sat that the best way to know whether a book is useful for your research is either C. Study the table of contents carefully in each book or D. Examine the index of each book.
In either of these options, you will find the word that relates to your research, and that might help you.