diff --git a/BOOK.mkd b/BOOK.mkd
index 3a89ba8..081f16f 100644
--- a/BOOK.mkd
+++ b/BOOK.mkd
@@ -10,6 +10,7 @@
 * September: [Wolfgang Jeschke "Der letzte Tag der Schöpfung"](https://yourbook.shop/book/?isbn=9783641013967&ref=mezzo&aff=mr)
 * Oktober: [John Marrs "The Passengers"](https://yourbook.shop/book/?isbn=9783453320727&ref=mezzo&aff=mr)
 * November: [Andrew Hunter Murray "The Last Day"](https://mojoreads.de/book/?isbn=9783492705844&ref=mezzo&aff=mr)
+* Dezember: [Titan Books "The Art and Making of The Expanse"](https://mojoreads.de/book/?isbn=9781789092530&ref=mezzo&aff=mr)
 
 ## 2020
 * Januar: [Yevgeny Zamyatin  "We: Introduction by Will Self"](https://yourbook.shop/book/?isbn=9780099511434&ref=mezzo&aff=mr)