Description:Glenn "Pop" Warner double autographed book. "Football for Coaches & Players" by Warber hard cover book signed, 'Yours Truly Glenn S. Warner" on interior cover page and again, "Yours Truly Glenn Warner 'Pop'" under his photo on title page. Bok has some typical light wear, sigs rate 8/9 out of 10. Includes LOA from James Spence PSA/DNA: EX