The major theme of this story by Alma Luz Villanueva is climate change. Set over fifty years into the future, Earth has warmed so much that all birds and marine life are extinct and direct exposure to sunlight or seawater can be deadly. Although protective clothing must be worn when venturing outside during the day, an aging woman takes her grandchildren on monthly excursions to the beach. This time she has prepared a special treat. Spurred on by her own childhood memories, they are going to build their first sand castle. Other themes: memories, family, childhood wonder and imagination, hope. More…