"Welcome to the Coral Lounge, a room in Helen Ellis's New York City apartment painted such an exuberant shade of Sherman Williams that a peeping Tom once left a sticky note with the doorman asking for the color. It is in the Coral Lounge that the magic of Helen's marriage unfolds: Shindigs where strangers swap clothing in the powder room, a party game called "What's in the box?" makes its uproarious debut, the Puzzle Posse pounces on a 500-piece jigsaw...