 Another is "Manĝoj el sanigaj plantoj" “Meals from Healthy Vegetable Dishes” by Zlata Nanić, published by BIO-ZRNO, Zagreb 2002, .Some Esperanto periodicals, such as "MONATO" include recipes from time to time.On December 15 (L. L. Zamenhof's birthday), Esperanto speakers around the world celebrate Zamenhof Day, sometimes called Book Day.