We have poetry-words with wings," Wang Ping declares in The River Within. Ping's "words with wings" render the vitality of natural forces through corporeal experience. Her love poems extol life forms as varied as elephants, cephalopods, and the virus. Ancient, sentient memory is excavated to tie us to Earth, to be mindful of Earth's pulse and our heartbeats. At the center of this sublime collection is the stunning extended poem "How a Droplet Becomes...