"Twenty Love Poems and a Song of Despair" is a collection of poems by the Chilean poet Pablo Neruda, first published in 1924. The collection is considered one of Neruda's most famous and influential works, and it is widely regarded as a landmark of modern Spanish-language poetry.

The book consists of twenty love poems, each of which explores the themes of love, desire, and passion, and a final poem, the "Song of Despair," which reflects on the darker aspects of love and the human condition.

Neruda's poetry in this collection is characterized by its intense emotionality, vivid imagery, and musical quality. He uses powerful metaphors and symbols to convey his feelings and thoughts, and his language is often sensual and lyrical, painting a picture of love that is both beautiful and bittersweet.

"Twenty Love Poems and a Song of Despair" is considered a classic of 20th century poetry, and its influence can be seen in the work of many other poets and writers. It remains a popular and widely read collection, both for its literary merit and for its timeless depiction of the complexities and contradictions of love and desire.