The door with three locks leading to the quantum universe… has disappeared. Nico couldn't meet his friends for a long time, and he had to rely on memories of his unusual adventures. But one day, Kiona, the quantum fairy, appears...
to ask the boy for help. It turns out that the laws of physics in the quantum world have gone awry, threatening the entire universe, and only Nico and his friends can restore balance. If they can withstand the trials of the four mysterious sisters… Sonya Fernandez-Vidal, the author of the series, is a PhD in quantum optics and has worked at CERN. The series has been translated into 15 languages and is among the bestsellers on Amazon Spain.
The door with three locks leading to the quantum universe… has disappeared. Nico couldn't meet his friends for a long time, and he had to rely on memories of his unusual adventures. But one day, Kiona, the quantum fairy, appears to ask the boy for help. It turns out that the laws of physics in the quantum world have gone awry, threatening the entire universe, and only Nico and his friends can restore balance. If they can withstand the trials of the four mysterious sisters… Sonya Fernandez-Vidal, the author of the series, is a PhD in quantum optics and has worked at CERN. The series has been translated into 15 languages and is among the bestsellers on Amazon Spain.
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