Abstract: In order to economically and effectively be capable of marketing a product with a book, an insert to be bound into the book comprises an envelope for carrying the product. The envelope has a first edge to be bound into the book and a sealed opening along a second edge for removing the product. The insert includes a barrier for isolating the product from the edge to be bound into the book. Also, a book having a plurality of pages bound into a cover along a spine edge can include the insert wherein the first edge is bound into the cover along with the pages. Further, a method of forming a book having the insert includes the step of providing the envelope along with a plurality of signatures each comprising a different plurality of pages. The signatures and the envelope are fed in a preselected order to a collating conveyor.