Rhode Island Audubon Society brings Emma to Vinland, the Viking-themed seaside home of her relative, Florence Vanderbilt Twombly, where the guest of honor is Edith Roosevelt, wife of Vice President Theodore Roosevelt. Listening to the speakers and observing the ladies in attendance, Emma is struck by the contrast of the Viking warrior-inspired elements in the house and the admirable but admittedly genteel cause of bird protection. Vinland bears the name of the...