diff --git a/books/free-programming-books-subjects.md b/books/free-programming-books-subjects.md
index daf08f3f4..041db1eea 100644
--- a/books/free-programming-books-subjects.md
+++ b/books/free-programming-books-subjects.md
@@ -171,6 +171,7 @@ Books that cover a specific programming language can be found in the [BY PROGRAM
 ### Cellular Automata
 
 * [A New Kind of Science](https://www.wolframscience.com/nksonline/toc.html) - Stephen Wolfram
+* [An Introduction to Cellular Automata](https://ia801004.us.archive.org/26/items/viviencellularautomata/vivien%20cellular%20automata.pdf) - Hélène Vivien (PDF)
 
 
 ### Cloud Computing