The majority of pages in this newsletter have three columns, so you begin by specifying a three-column layout on the master pages. While you're on the master pages, you also create the title header that appears at the top of the inside pages.
When you set columns on a master page, they appear on all publication pages that use that master page.
Click the master page icon () at the bottom of the document window to display the left and right master pages. PageMaker shows you both master pages because you chose Facing Pages in the Document Setup dialog box.
Choose Layout > Column Guides and specify ...