Often they don't care whether a book is new or used.

A single book can be used by only one student at a time.

You wouldn't want your children to be using books from 1985.

"I will not have anything from my book used against the party."

Sometimes people even write to say they use our books only to see where not to go.

For example, a teacher may wish to have a list of books used in a particular project.

The book and series have been used in University courses.

The point is this: There are two very different ways to use books.

Are you afraid that this book will be used against women?

For the writing of this huge work, many older books were used as sources.