Waldo Frank's In the American Jungle is a searching collection of essays and reflections on America in the boom years, the Depression, and the gathering shadow of global war. Across memoir, social criticism, cultural portraiture, and aesthetic theory, it treats the nation as a restless "jungle" of commerce, machines, mass culture, and spiritual hunger, asking what kind of renewal might still be possible. The book opens with a childhood memory of New York, where a dark library of European books and a mother's music shaped the author's imagination more deeply than the city outside. From that early split between America and the revered world of Europe, he moves through the awakening force of Whitman, student life abroad, and a return to Yale that only sharpened his rebellion. Paris appears as a place where art feels sacred, yet his eventual return to New York becomes an act of responsibility: artists, he argues, must help America find its own depth, beauty, and truth. Frank's vision widens as he travels west and south, discovering the nation's real vitality in Chicago, Kansas, coal country, Black communities, Native American life, and other overlooked American worlds. He sees in them not emptiness but resilience and spiritual richness. Alongside this national portrait stands a powerful defense of modern art, from Picasso, Brancusi, Braque, and Rivera to the broader question of whether artists should seek Europe's completed culture or transform America's unfinished material into new form. At the center of the book is a faith in America's unresolved identity as a source of visionary, even religious, creative possibility. This edition has been fully restored with modern typesetting, custom cover design.