Page header running header or running headline, is a header that appears on each standard page. Running heads do not usually appear on display pages such as title pages, or on other front or back matter. Running heads in a book typically consist of the title on the left-hand (verso) page, and the chapter title on the right-hand (recto) page; or the chapter title on the verso and subsection title/subhead on the recto, aiding the reader's navigation by showing what content exists within the two-page spread at hand. A special case of the latter is in dictionaries, whose running heads are called
Book of Kells lower quadrant of the page. The entire assemblage is contained within an elaborate border. The Gospel of Matthew begins with a genealogy of Jesus. At , the actual narrative of Christ's life starts. This "second beginning" to Matthew was given emphasis in many early Gospel Books, so much so that the two sections were often treated as separate works. The second beginning begins with the word "Christ". The Greek letters chi and rho were normally used in mediaeval manuscripts to abbreviate the word "Christ". In Insular Gospel Books, the initial Chi Rho monogram was enlarged and decorated. In the Book