"The skies must smile and the sun must shine When Semper Fidelis goes out to dine," sang Arline Thayer joyously as she rearranged her sofa pillows for the eighth time, patting each one energetically before placing it, then stepping back to view the effect. "Aren't you glad every one's here, and things have begun to happen again, Ruth?" she asked blithely. "I hope no one disappoints us. I wish this room were larger. Still, it held eighteen girls one night last year. Don't you remember my Hallowe'en party, and what a time we had squeezing in here?"