Set in Mexico amidst the monarch butterflies' annual migration and during the Days of the Dead, "Ghost Wings," written by Barbara M. Joosse, author of the best-selling "Mama, Do You Love Me?," and illustrated with the luminescent artwork of Giselle Potter, is the touching story of a little girl whose very best friend is her grandmother. But one spring, Grandmother becomes thin as smoke. When she dies, Papa says, "When you love someone they never really...