NASB Ultrathin Reference Bible. 5 3/8 x 8 3/8 x 7/8 Trim Size. Concordance, Maps, Full Column Cross References, Presentation Page, Family Record Page, Paragraph Format, Red Letter, Two Column Text, Smyth Sewn Binding. It features two columns of Bible text with a center column of over 95,000 cross references to enrich your reading. Its Smyth sewn binding makes it durable for frequent use and travel.