The Gone World by Tom Sweterlitsch

From The Verge:

In his debut novel, author Tom Sweterlitsch constructed a fascinating mystery with Tomorrow and Tomorrow, set in a virtual version of Pittsburgh after a terrorist attack leveled the city. In The Gone World, he introduces an even more ambitious investigation: one that jumps back and forth in time, and which could decide the fate of humanity. It’s a complicated, dazzling novel that keeps the reader hooked until the last pages.

NCIS agent Shannon Moss hops between 1997 and 2015 a handful of times, encountering wildly different futures as her immediate investigation [into her own brutal murder] progresses. She quickly discovers that there’s more to this murder than meets the eye.

These shifting futures let Sweterlitsch play with some big themes. How do our decisions, given enough time, change the future before us? What lengths will people go through to try to preserve the things that they love?