Berlin, we have a problem. Considering the not-so-distant history in Germany, this can't be tolerated.
In Deutschland Schafft Sich Ab, or Germany is Digging its Own Grave, Sarrazin argues that most of the country's immigrants cannot be integrated into society and contribute nothing to it.
He also blames foreigners – mainly Germany's Muslim population – for "dumbing down" society. He says that the rate at which Muslim women are reproducing means that Germans may soon become "strangers in their own country".
The book is already a bestseller and has prompted comparisons to Geert Wilders, the head of the Dutch far-right Freedom party.
The former Berlin finance senator said he wrote the book to outline his own fears that his grandchildren will grow up in a country where "their lives are measured out by the muezzin's calls to prayer".
