Du jour means of the day. as in soup du jour.
This is a combination of table d'hote, a la carte, and plat du jour menus. Thisis printed daily in two copies, one for lunch and one for dinner. This is done for economic reasons.
"Carte du jour" translates "card of the day" and is usually used as the menu of the day in French dining (think "daily special" in diner food).
French
Book of the day.