diff --git a/free-programming-books.md b/free-programming-books.md
index 9686d46f5..78b5a3a9b 100644
--- a/free-programming-books.md
+++ b/free-programming-books.md
@@ -232,6 +232,7 @@
 ####Database
 * [Database Fundamentals](http://public.dhe.ibm.com/software/dw/db2/express-c/wiki/Database_fundamentals.pdf) (PDF)
 * [Foundations of Databases](http://webdam.inria.fr/Alice/)
+* [Temporal Database Management](http://people.cs.aau.dk/~csj/Thesis/) - Christian S. Jensen
 * [The Theory of Relational Databases](http://web.cecs.pdx.edu/~maier/TheoryBook/TRD.html)
 
 ####Networking