The 37th Parallel: The Secret Truth Behind America's UFO Highway is a 2016 book by Ben Mezrich. Volunteer sheriff's deputy/microchip engineer Chuck Zukowski has been interested in UFOs since he was a teenager and often travels with his family to investigate reports of an extraterrestrial nature. When he discovers that mutilated livestock has been found on a ranch in Rush, Colorado, Chuck decides to get to the bottom of this incident and several other mutilations that have occurred around the "UFO Highway."
The 37th Parallel is a fascinating book, and I was surprised to learn that there have been more than 10,000 cases of unexplained animal mutilation over the past fifty years. I didn't know much about the UFO Highway, but basically it's the 37th degree of latitude and touches Colorado, Utah, New Mexico, Arizona, Kansas, and Oklahoma, and it has seen a fair amount of possible extraterrestrial activity (you can find info about some of these events that have occurred along the 37th Parallel here: http://nypost.com/2016/09/04/this-investigator-chases-aliens-along-americas-paranormal-highway/). The entire book was interesting, but the parts I enjoyed the most were the accounts of Chuck's visits to the Roswell UFO Museum and Research Center and the UFO Watchtower in Hooper, Colorado, since those are places I've also visited. : )
My rating: 8/10
You can check out Chuck's website here: