A method for producing a content data file for a desired print job including a plurality of customized versions of a printable work includes the step of receiving an electronic template of the printable work including a common portion and a customizable portion. A form accessible via a network is developed to allow each of a plurality of users to associate a corresponding customized content with the customizable portion via the network. The corresponding customized content together with the template defines a corresponding customized version of the printable work. A desired number of copies is associated with each customized version of the printable work, and the customized versions of the printable work and the corresponding desired number of copies are aggregated to produce a content data file for the desired print job.