Writing a long review is inevitably doomed to have spoilers, so I won't dare to. Let's just say, this is probably the best (yes, IMHO) take on Ray Bradbury's seminal "Sound of thunder."

I found the text sincere and refreshing, the geeky details interesting and striking the right balance between technical mumbo-jumbo and unnecessary depth, the plot genuine and realistic. It made me think.

Bottom line: highly recommended, even for those who are not "into Sci-Fi."