ONE OF THE CENTRAL WORKS OF AMERICAN POETRY First published in 1855, this poetry collection by American poet, Walt Whitman is a celebration of his philosophy of life and humanity, and spans the human element from the perspective of both the mind and the body. Instead of focusing on religion or spirituality, Leaves of Grass focuses mainly on celebrating the body, exalting nature, praising the senses, and the material world. He was greatly influenced...