Photo: New Line Cinema/Everett Collection Jason Lewis, who played Smith Jerrod on Sex and the City , has joined social media after a three-year hiatus with some exciting news: he’s writing a nine-book fantasy series. And he’s gone to Costa Rica to focus on his writing. In an interview with THR , Lewis explained that he’s writing a trilogy set in a universe with its own magic system, similar to The Lord of the Rings . He shared how studying physics helps him with world building. “It’s just that