Specifications include, but are not limited to: Pricing and discounts on library books – library bound, trade bound, trade paper back and mass market paperback, pre-bound paperback books and e-books for FCPS. A.In initial processing, original publishers adhesive or hot melt glue is to be completely removed from spine by grinding or trimming. No more than .0625 of back gutter margin is to be removed. Removal shall be clean and uniform without fraying, tearing or mutilation to parts, pages or content of volume. B. Volumes in excess of 1/4 inch shall be adhesive bound, and volumes less than 1/4 inch shall be Singer Sewed. Adhesive can be either hot melt or cold glue. Run-in of adhesive should be no more or less than .0625 inch. Adhesive bound volumes should provide durable easy opening without stress or tightness of any kind. C. Flats or sewed volumes 1/4 inch or under should be Singer sewed with 10 gauge/5 strand thread and stitches at least 1/2 inch or more apart. Singer end sheets shall be applied on all sewed volumes.