Apple Newton Press (Macintosh) - Manual (Page 38)

To create a header for a book:
1 Choose Header from the Format menu.
An untitled header appears at the top of the screen.
2 Select the header and edit the text.
To remove the header later, choose Header again from the Format menu.
Using fonts
Newton PDAs can display three fonts: New York, Geneva, and Espy Sans.
Therefore, all the text in a book must be in one of these three fonts.
38 Chapter 3
Font, font size, and font style changes