Whether Winter, Spring, Summer, or Fall - Holly Celebrates them all. Holly loves a celebration, and all her days are HOLLY-Days. Holly eagerly awaits each Holly-Day and celebrates with enthusiasm and verve. Holly Celebrates Passover is Book Four of the Holly Celebrates Series. In Holly Celebrates Passover, Holly and her family hold a warm and welcoming Passover Seder as they recount the story of the Israelites and their Exodus from Pharaoh, slavery, and bondage. Holly and her family welcome all who are hungry to come eat, as they read from the Haggadah, sing Passover songs, and eat matzah ball soup.