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

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

The German Messenger: The new heartbreaking World War 2 historical fiction novel for 2023, from the bestselling author of The German Nurse. (Affiliate-Link),
Hollows, M.J., HQ Digital, Taschenbuch, 0008530416, 11,11 €

Learn German With Ghost Stories: German A1 Reader (German Graded Readers, Band 3) (Affiliate-Link),
Smith, Brian, Independently published, Taschenbuch, , 9,10 €

A German Christmas: Festive Tales From Berlin to Bavaria (Vintage Christmas Tales) (Affiliate-Link),
The Brothers Grimm, Vintage Classics, Gebundene Ausgabe, 1784878227, 12,19 €

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

Stories by Foreign Authors - German (Affiliate-Link),
Auerbach, Berthold, CreateSpace Independent Publishing Platform, Taschenbuch, 1546921079, 17,24 €

Collection of German Authors. Ekkehard: Vol. 1 (Affiliate-Link),
Scheffel, Joseph Victor, Anatiposi Verlag, Taschenbuch, 3382810565, 49,90 €

Collection of German Authors, Vol. 13: Poems from the German of Ferdinand Freiligrath (Affiliate-Link),
Freiligrath, Ferdinand, Leopold Classic Library, Taschenbuch, , 16,95 €