I was reading a book on Heraldry last night for a logo client. Apparently the name of Dexter Sinister, your favorite bookseller and mine, comes from old heraldry terminology: Dexter means “right of the bearer of the arms, and to the left by the viewer’s eyes” of the shield, while Sinister means ” to the left of the bearer of the arms, and to the right by the viewer’s eyes”.
The More You Know™