Secret Codes & Ciphers by Desert Publications, Paperback, Preowned

Preowned, good condition. Light pencil writing found just inside front & back cover and in a couple places inside text (small "x's" and numbers here and there, nothing major). SLIGHT yellowing on very back page only (that I noticed). SLIGHT water damage to front cover. No dog ears found during inspection of pages. Quality rating: 8/10.