A method for handling a material sheet in a sheet-wise booklet making system, including the steps of advancing a sheet to a movable clamping drive at a first position, clamping the sheet in the clamping drive at the first position, moving the clamping drive in a non-linear path to a second position, establishing a fold in the sheet with a folding device, moving the clamping drive in a non-linear path to a third position, and delivering the folded sheet to a collecting device, such that a leading side and a trailing side of the folded sheet are respectively delivered to a frontside and a backside of the collecting device.