"A" is for Australia and "A" is for Arizona, over 9,000 miles apart but sharing the same Earth. In this eccentric, intimate compendium of short environmental and personal essays, David Carlin (in Melbourne) and Nicole Walker (in Flagstaff) engage in a long-distance dialogue between two writers, creating an improvisational subversion of the encyclopedia, a witty-yet-serious send-up of the concept of a survival guide. In this era of interconnected...