Leaves Of GrassA collectible new Penguin Classics series beautiful, slim, clothbound editions of ten favourite poets In 1855 Walt Whitman published his first collection of poetry, Leaves of Grass. The volume received great praise from leading Transcendentalist poet Ralph Waldo Emerson. This encouraged what would become a lifelong project as Whitman expanded and rewrote the volume until his death in 1892. Whitman's innovative use of free verse and the quotidian