Originally published as a collection of twelve poems in 1855, Leaves of Grass eventually grew to more than four hundred poems, as Walt Whitman continued to edit and add to the collection throughout his life.Celebrating life, humanity, and the material world, Leaves of Grass was considered obscene at the time of its publication because of its overt discussion of sensual pleasure. It is now considered to be among the greatest collections of poetry to be published in modern times.Be it mystery, ro ...