The Northland coast of New Zealand is battered and hardened and windswept, a coastline of southern right whales and dolphins and waves that hammer the shore. This is the coast on which a thousand sandcastles have been built and washed away. A thousand sunburns. A thousand picnics. A thousand lives. This is the coast of our childhood. Sun in Gemini is comprised of the self-titled novella about friends who accidentally fall into the hardships of adulthood,...