diff --git a/books/free-programming-books-langs.md b/books/free-programming-books-langs.md
index e3d70c375c57d46ca82d6c6ee0a5573ef538139e..a5e5932159d20c7bc5fb1ab5a64de2ad633bbe8e 100644
--- a/books/free-programming-books-langs.md
+++ b/books/free-programming-books-langs.md
@@ -370,6 +370,7 @@ That section got so big, we decided to split it into its own file, the [BY SUBJE
 * [Bash Reference Manual](http://www.gnu.org/software/bash/manual/bashref.html) (HTML)
 * [Bash tutorial](https://web.archive.org/web/20180328183806/http://gdrcorelec.ups-tlse.fr/files/bash.pdf) - Anthony Scemama (PDF)
 * [BashGuide](http://mywiki.wooledge.org/BashGuide) - Maarten Billemont (HTML) [(PDF)](http://s.ntnu.no/bashguide.pdf)
+* [Conquer the Command Line](https://magpi.raspberrypi.org/books/command-line-second-edition/pdf/download) - Richard Smedley (PDF)
 * [Conquering the Command Line](http://conqueringthecommandline.com/book/frontmatter) - Mark Bates (HTML)
 * [Getting Started with BASH](http://www.hypexr.org/bash_tutorial.php) (HTML)
 * [GNU Bash manual](https://www.gnu.org/software/bash/manual/bash.pdf) (PDF)