Evan Cartier. In Pursuit of the Golden Ratio

It's all like in a computer game: traps, puzzles, chases. Only there won't be any extra lives. Fourteen-year-old hacker Evan Cartier must not lose! The headquarters of secret services in the catacombs of Paris is his new classroom, a secret flash drive with a mysterious code is his homework. Instead of simple tasks like a classmate asking him to erase compromising material, Evan now faces the problem: he is involved in the search for a relic with supposed magical powers.

Together with a team from the mysterious organization "Surveillance," Evan must find the artifact of the golden ratio before it falls into the hands of criminals. There can be no delay, as the last owner of the artifact unleashed a world war with its help.

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