<human>: Can you recommend any good books on how to write poetry?
<bot>: Some great books on writing poetry include "The Poetry Handbook" by David Mason, "Writing Poems: How to Find Your Poetic Voice and Express Your Deepest Thoughts" by Robert Hass, "Poetry for the People: A Guide to Writing and Reading Lyrical Verse" by Richard Siken, and "The Elements of Style Applied to Poetry" by E.B. White.