Abstract: In order to improve a device (1) for opening a cover leaf or cover of a magazine, a book, or a comparable bound publication to be disposed in the area of a linear conveyor unit such that it allows rapid and flexible opening of a cover leaf or cover of a publication independently of the clocking of the supply of said publications, it is proposed by the invention that such a device (1) has a guide face (22), which is oriented in its longitudinal direction substantially along a conveyance direction of the linear conveyor unit and faces toward the latter, and which runs, starting from an area (23) at minimal distance to the linear conveyor unit, inclined at increasing distance to the linear conveyor unit, wherein at least one suction opening (25) for applying a partial vacuum is disposed in the active section (24), the suction opening extending in the longitudinal direction of the guide face (24), and wherein at least one conveyor band or conveyor belt, which runs over said guide face (24) in its longitudinal dir