The mark consists of the outermost circle is blue. A yellow circle sits inside that first outer blue circle. Inside that yellow circle, written in a semi-circular style, located at the top half of the circle, are the words BLUE BOOK written in blue. A small beige circular dot is located by the "B" of BLUE BOOK and a matching small beige circular dot is located after the "K" in BLUE BOOK. Inside the bottom half of the same yellow circle is written the word GENTLEMEN in blue, in a semi-circular style. A small beige dot is located by the "G" in GENTLEMEN, and a matching small beige dot is located after the "N" in the word GENTLEMEN. There is a smaller blue circle inside that initial yellow circle. Inside that blue circle is a silhouette of a man in a suit. The silhouette is blue, and the tie worn by the blue man silhouette, is gray.