This is a good example of YA post-apocalyptic science fantasy. (Depending on your viewpoint it could be considered an adult work—and certainly could be enjoyed by adults—but since the main protagonist was a teenage girl it felt definitely like a YA novel to me.) It's hard to say how long it's been since the apocalypse happened. Centuries, for sure, but it's not clear how many. It's been at least several generations, and the bulk of the population turned into an agrarian society. This is a really nice change: there's no hint of the dystopian society I would expect based on most other post-apocalyptic books I've read.

I liked the first half of the book best, when we were setting up the world and getting to know the main protagonist. I really enjoyed seeing how our tech and knowledge were viewed by people in this non-tech society, and making guesses about the events between now and then which made that world the way it was. In the second half (or so) of the book, we started getting more chapters with other characters' POV. While it was still neat to see the worldbuilding in those sections, I personally lost the thread of the main narrative a little with the addition of these other viewpoints. Some of the POVs seemed very fast-paced, while others were slower-paced, and that threw me off.

The plot gradually ramped up in scope and got more consistent in pace as the book neared its climax, with lots of stumbling blocks thrown in to complicate plans for good guys and bad guys alike. While I often expected when something would go wrong to mess up the plan, I only rarely guessed what was going to actually happen. My biggest complaint, really, was that the main antagonist went so evil so quickly. I would have liked some more on-screen character development for him before he showed his Bad Guy colors, so that the reader was kept guessing for a while whether he was the villain or not.

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I read this book as part of the judging process for the 3rd Self Published Science Fiction Competition (SPSFC3), and while I was provided a review copy for judging purposes I read the book using the version available on Kindle Unlimited. My opinions are my own and do not reflect the thoughts of my SPSFC3 team or the competition as a whole. ( )