From 5f063077e4b55f183baf19fe3277624c8814f3ad Mon Sep 17 00:00:00 2001
From: Margaret Hu <70117942+margaret-hu@users.noreply.github.com>
Date: Sat, 12 Oct 2024 08:39:19 -0700
Subject: [PATCH] Margaret hu patch 2 (#11499)

* Update free-programming-books-langs.md

A book on C++ standard coding practices has also been added to the 'By Programming Language' section.

* Update free-programming-books-subjects.md

A book on cellular automata has been added to the 'By Subject' section.
---
 books/free-programming-books-subjects.md | 1 +
 1 file changed, 1 insertion(+)

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