diff --git a/BOOK.mkd b/BOOK.mkd
index f58bb56..f864fce 100644
--- a/BOOK.mkd
+++ b/BOOK.mkd
@@ -54,7 +54,7 @@
 
 * Januar: [Ray Bradbury "Fahrenheit 451"](https://yourbook.shop/book/?isbn=9783257208627&ref=mezzo&aff=mr)
 * Februar: [Richard Morgan "Altered Carbon"](https://yourbook.shop/book/?isbn=9783453318656&ref=mezzo&aff=mr)
-* März: [Marc-Uwe Kling "QualityLand"](https://yourbook.shop/book/?isbn=9783550201028&ref=mezzo&aff=mr)
+* März: [Marc-Uwe Kling "QualityLand"](https://yourbook.shop/book/?isbn=9783548291871&ref=mezzo&aff=mr)
 * April: [Malka Older "Infomocracy"](https://yourbook.shop/book/?isbn=9780765392367&ref=mezzo&aff=mr)
 * Mai: [Marge Piercy "Er, Sie und Es"](https://yourbook.shop/book/?isbn=9783867544030&ref=mezzo&aff=mr)
 * Juni: [Josefine Rieks "Serverland"](https://yourbook.shop/book/?isbn=9783446258983&ref=mezzo&aff=mr)