Letters and Social Aims, published in 1875, contains essays originally published early in the 1840s as well as those that were the product of a collaborative effort among Ralph Waldo Emerson, his daughter Ellen Tucker Emerson, his son Edward Waldo Emerson, and his literary executor James Eliot Cabot. The volume takes up the topics of "Poetry and Imagination," "Social Aims," "Eloquence," "Resources," "The Comic," "Quotation and Originality," "Progress of Culture," "Persian Poetry," "Inspiration," "Greatness," and, appropriately for Emerson's last published book,...