This ties into later setting up grid lines, which will help to formatting your book so that there are the same number of lines on each page. (toughnickel.com)
These are controls that will tell the e-reader device whether or not to break a paragraph across two pages, and if so, what the tolerance level is in number of lines. (jamigold.com)
You have only a handful of words and a small number of lines to make your case and keep yourself in the hunt for consideration. (billflorin.com)