“What is under the earth followed them home. / The branch broke. It broke by itself. It did break, James.” In this 2014 video, Alex Dimitrov reads his poem “Together and by Ourselves” at the Radar Reading Series in San Francisco. Dimitrov and Dorothea Lasky’s Astro Poets: Your Guides to the Zodiac, an astrological guide that expands upon their popular Twitter feed, is out this week from Flatiron Books.