Based on the title (which translates to "The Third Bullet Book" in English), the most likely subject is the novel "The Third Bullet" by Stephen Hunter . This is part of the famous Bob Lee Swagger series.
If you seek a legitimate copy, check if Stephen Hunter’s The Third Bullet has been translated by a publisher like "Čarobna Knjiga" or "Vulkan Izdavaštvo." If not, the file is likely an unofficial or self-published work. Treci Metak Knjiga.pdf
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