Notice how the author has subtly introduced a comparison which will prove to be crucial later on.

These authors introduced the idea of popular intervention as another key element.

The author then introduces herself for the first time in the book.

The author then introduces the other characters, and indeed, tells the entire story, through her.

One by one, the author introduces his four condemned characters.

There is where the author introduces the evil in the book.

Soon after these descriptions were published, the authors introduced the species into cultivation.

The author then introduces the (fictional) team of researchers who helped him to write the book.

The author also introduces us to co-workers, but the list of characters is a bit difficult to keep straight.

After doing so, the author of that book introduced Briggs to his own editor.