Even if, as some have pointed out, the underlying plot of Shiloh approaching the adaptation of a video game on PC, the fact remains that the novel is excellent. In the indefinite future, earth is poisoned and we can breathe out; survivors pulled out in huge underground silos of a hundred floors where life is extremely codified, trades are grouped by stages. The author describes in a very rigorous way involved society where information is fragmented and exchanges are limited to a minimum and even dream of speaking out is punished by banishment from society, that is to say, shot dead at the exit of the silo. A small grain of sand will cause a succession of events that form the heart of the book. The author's style is alert and punctuated with a very dark side desperate to see that is felt on reading the first part of the book, one has the feeling very well described by Hugh Howey society is unchanging, immovable and that nothing can cause evolution. The plot is involved with a few twists admittedly fairly predictable but enjoyable that make this a very interesting dark tale of post-apocalyptic anticipation narrative.