Abstract: In order to ensure that inserts in a book or magazine will reach the intended recipient, a binding line includes a plurality of packer boxes along a binding line conveyor. The binding line can actuate at least some of the packer boxes to gather signatures from them in order to build groups of signatures into books. The binding line also includes a feeder for feeding at least one insert for association with all or specific ones of the books wherein the inserts are affixed within the books at a point along the binding line. In order to ensure that the inserts in the book or magazine will reach the intended recipient, the inserts may be directly affixed in the books, placed in envelopes that are affixed in the books, or placed in bags that are affixed in the books.