Dies the Fire is a 2004 alternate history and post-apocalyptic novel written by S. M. Stirling. It is the first installment of the Emberverse series and is a spin-off from S. M. Stirling's Nantucket series in which the Massachusetts island of Nantucket is thrown back in time from March 17, 1998, to the Bronze Age.

The Bitterroot Range is a mountain range and a subrange of the Rocky Mountains that runs along the border of Montana and Idaho in the northwestern United States. The range spans an area of 24,223 square miles (62,740 km2) and is named after the bitterroot, a small pink flower that is the state flower of Montana.