Four weeks on the road and I moved from San Francisco to Hawaii, not just to write but also to research the third book of the Boreas series, and more specifically Wayfinding or Polynesian navigation, finding your way without instruments, like compasses, maps, or GPS but solely on what you see around you, the stars, the rising and setting of moon and sun, the ocean swells and how waves lap against the hull of your ship, the currents, the winds, the direction birds fly.   There’s several ways you can research stories. One is sitting at your laptop and surfing the Internet. You can also go out and meet people, pick their brains, hear their stories, learn about their lives. Obviously, the latter one will most likely…