By the Book is a feature series where journalists discuss their works of fiction and non-fiction.The traditionally slow end-of-year news cycle recently received a jolt when residents of New York and New Jersey reported mysterious drone sightings in the skies over both states. While state and federal government officials have said that there’s no cause for concern, the scenario rang a bell with filmmaker Andrew Davis and investigative journalist Jeff Biggers. The duo recently penned the timely political thriller Disturbing the Bones, which features a drone attack on the streets…