Have Dean Koontz and Bernhard Schlink both written at least one novel?
Bernhard Schlink Bernhard Schlink (born 6 July 1944 in Bielefeld) is a German lawyer and writer. His novel "The Reader", first published in 1995, became an international bestseller.
The Swarm (Schätzing novel) The Swarm (German: "Der Schwarm") is a science fiction novel by German author Frank Schätzing. It was first published in Germany and Austria in 2004 and soon became a bestseller.