I write novels and books on popular science. I use two pseudonyms: Krystian Defer (book about Quantity) and Karol Kolmo (novels). I come from Silesia, region of Poland. Quantum books are an expression of my search for self-healing, witch allowed me to develop Quantum Tools. Because I suffered from profound nerve degeneration, there was virtually no remedy for ot. Only Quantity, or more precisely the Quantum Tools presented by my on my books, open the right path on this for the less fortunate