"Leaves of Grass" is Walt Whitman's landmark poetry collection, first published in 1855 and expanded throughout his life. The work celebrates the human body, the soul, and the democratic spirit of America through vivid, free verse poetry that broke from traditional forms. Whitman's voice is bold, intimate, and inclusive, embracing both the individual and the collective experience of humanity. The book's frank descriptions of sensuality and the pleasures of the flesh - during a time when discussing such matters was considered shocking - caused some critics to condemn the collection as immoral, but it has since been hailed as a groundbreaking work of American literature.

The collection's most famous poem, "Song of Myself," captures Whitman's belief in the unity of all people and the sacredness of everyday life. Themes of nature, equality, sensuality, and self-expression run throughout the book, reflecting Whitman's vision of a nation bound by shared humanity and freedom.

"Leaves of Grass" was revolutionary for its time, challenging social norms and redefining poetry's purpose. It remains a cornerstone of American literature, celebrated for its innovation, optimism, and profound exploration of identity and democracy.

Whitman first published the volume as a short, 12-poem collection in 1855, but famously added to the book over the years, publishing multiple editions. This volume - sometimes called the "deathbed edition" - is the complete and final collection of poems and contains over four hundred separate works.