diff --git a/BOOK.mkd b/BOOK.mkd
index 5fccb00..d420e98 100644
--- a/BOOK.mkd
+++ b/BOOK.mkd
@@ -7,6 +7,7 @@
 * Juni: [Klaudia Zotzmann-Koch "Dann haben die halt meine Daten. Na und?!"](https://yourbook.shop/book/?isbn=9783751981491&ref=mezzo&aff=mr)
 * Juli: [Tom Hillenbrand "Montecrypto"](https://yourbook.shop/book/?isbn=9783462001570&ref=mezzo&aff=mr)
 * August: [Davidson/Rees-Mogg "The Sovereign Individual"](https://yourbook.shop/book/?isbn=9780684832722&ref=mezzo&aff=mr)
+* September: [Wolfgang Jeschke "Der letzte Tag der Schöpfung"](https://yourbook.shop/book/?isbn=9783641013967&ref=mezzo&aff=mr)
 
 ## 2020
 * Januar: [Yevgeny Zamyatin  "We: Introduction by Will Self"](https://yourbook.shop/book/?isbn=9780099511434&ref=mezzo&aff=mr)