Personalized envelope assembly for printed publication and method

A personalized letter product in combination with a mailable publication product, said personalized letter product comprising:

• a sealed envelope assembly having a pair of outer plies enclosing at least an information-bearing disc each of said other plies having top, bottom and side edges, at least one of said outer plies being equipped with printed indicia relating to a specific person, geographic area or demographic group, and means associated with one of said edges for binding said envelope assembly into the interior of said publication, said publication product comprising a plurality of signatures arranged in superposed relation, each of said signatures being rectangular and having upper, lower and side edges, one of side edges being a bound edge and the other side edge being a free edge, said envelope assembly edge means including a binding portion bound in between two adjacent signatures along said signature bound edge, and said publication product being equipped with printed indicia corresponding to the envelope assembly printed indicia, said envelope assembly having an edge equipped with means for opening said envelope assembly, said opening means including a line of weakness in at least one of said outer plies.