Sebastian Fitzek (born 13 October 1971 in Berlin) is a German writer and journalist. His first book Therapy (Die Therapie) was a bestseller in Germany in 2006, toppling The Da Vinci Code from the #1 position. Fitzek sold over 12 million books worldwide and alone 5 million books in Germany and is one of the most successful writers of Germany.

For more information press the link below:
https://en.wikipedia.org/wiki/Sebastian_Fitzek