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 test called out in the text. Using a dictionary, the gimmick is prepared by finding the first defined word on the left page, which is normally bolded or larger, and writing it in fine pencil on the top of the right page. The magician then holds the book open in front of the spectator and riffles with the left hand, and asks the spectator to call "stop" at any point. The magician then points to the upper right corner (blindly, as the book is still facing away from the magician) and while the spectator is looking there, peeks at the other