2026 Reading Challenge

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Are you Stefan Klein, author of the books below?
The Science of Happiness by Stefan Klein The Secret Pulse of Time by Stefan Klein How to Love the Universe by Stefan Klein Träume by Stefan Klein Das All und das Nichts - Von der Schönheit des Universums by Stefan Klein Wie wir die Welt verändern by Stefan Klein On the Edge of Infinity by Stefan Klein We Are All Stardust by Stefan Klein Leonardo's Legacy by Stefan Klein »Wir könnten unsterblich sein« by Stefan Klein


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