"Layers of the Poets" is a book in the translations of men specializing in a specific class, and they are poets. The author Muhammad bin Salam divided them into two parts: The first section: In pre -Islamic poets and put them in ten layers, owners of lamentations and poets of Arab villages. And the second section: They are the Islamic poets and also put them in ten layers that mention the names of poets, their lineages and their news, and some of their poems and poetic narratives.