Interesting books form German authors to read

I asked in a German forum what books from German authors a foreigner should read so that she/he would get a good impression of German literature and

• Germany - here are the answers:
• Erich Maria Remarque, Drei Kameraden
• Walter Kempowski, "Tadelöser & Wolff"
• Siegfried Lenz, German Lesson (Deutschstunde)
• Bernhard Schlink, The Reader oder aber Self's Punishment
• Cornelia Funke, Inkheart, Inkspell und Inkdeath

Books from German authors

Stories by Foreign Authors: German, Part 2: in large print (Affiliate-Link),
German Authors, Megali Verlag, Taschenbuch, 3387048246, 34,90 €

Swiss German for English Speakers: Book 2 (Affiliate-Link),
Roth, Rahel, Independently published, Taschenbuch, , 30,98 €

Einstein's German World: With a new preface by the author (Affiliate-Link),
Stern, Fritz, Princeton University Press, Taschenbuch, 0691171300, 27,40 €

Swiss German for English Speakers: Book 1 (Affiliate-Link),
Roth, Rahel, Independently published, Taschenbuch, , 26,70 €

Swiss German Unlocked: Your key to speaking like a local (Affiliate-Link),
Holle, Andrea, Andrea Holle, Taschenbuch, 3033098509, 30,82 €

Learn German With Ghost Stories: German A1 Reader (German Graded Readers, Band 7) (Affiliate-Link),
Smith, Brian, Independently published, Taschenbuch, , 9,10 €

The Secret Messenger: Enthralling World War Two historical fiction from the USA Today bestselling author of The German Midwife (Affiliate-Link),
Robotham, Mandy, Avon, Taschenbuch, 0008384622, 2,83 €

Learn German with Get Rich Stories: German A1 Reader (German Graded Readers, Band 6) (Affiliate-Link),
Smith, Brian John, Independently published, Taschenbuch, , 8,93 €