diff --git a/free-programming-books-gr.md b/free-programming-books-gr.md
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--- a/free-programming-books-gr.md
+++ b/free-programming-books-gr.md
@@ -20,6 +20,6 @@
 
 ### Python
 
-* [Ένα byte της Python](https://dl.dropboxusercontent.com/u/54790396/a_byte_of_python-el.pdf) (PDF)
+* [Ένα byte της Python](https://archive.org/details/AByteOfPythonEl)