The 22nd novel in C. J. Box’s Joe Pickett series is titled “Shadows Reel.” Joe Pickett looks into a mysterious moose-poaching incident the day before Thanksgiving, which turns out to be a vicious murder of a local fishing guide. In the meantime, his wife Marybeth finds an unmarked package containing a notorious Nazi official’s photo book at her place of employment. While they work to solve these riddles, the Pickett family finds themselves in the sights of two killers.