The invention relates to producing personalized printed end products which have in each case a printed product collection and at least one personalized printed product by creating (S1) end product specifications which define in each case at least one personalized printed end product, creating (S2) sales orders on the basis of end product specifications, wherein a sales order defines at least one sequence of printed product collections, initiating (S3) the process of creating and creating (S4) digital print orders on the basis of end product specifications and sales orders, wherein a digital print order defines at least one personalized printed product, producing (S5) printed product collections in accordance with the sales orders, producing (S6) personalized printed products in accordance with the digital print orders, and producing (S7) personalized printed end products from the produced printed product collections and personalized printed products.

A sheet processing apparatus for producing book blocks from printed single sheets includes a conveying section for conveying a printed single sheet along a conveying direction, an input section configured to receive the printed single sheet, a control system configured to generate a workflow order comprising one or more commands for processing the printed single sheet, a sheet sensor configured to detect a sheet parameter having at least one of position and size of the printed single sheet, a sheet rotator configured to stop the printed single sheet and to rotate the printed single sheet or to convey the printed single sheet without rotation depending on a rotation command of the workflow order, a perforator configured to perforate the printed single sheet, and a folding device configured to fold the printed single sheet.