Added Raspberry Pi Handbook and Begineer's Guide

books/free-programming-books-langs.md

@@ -2058,7 +2058,7 @@ That section got so big, we decided to split it into its own file, the [BY SUBJE
 * [Raspberry Pi Users Guide (2012)](http://www.cs.unca.edu/~bruce/Fall14/360/RPiUsersGuide.pdf) - Eben Upton (PDF)
 * [The Official Raspberry Pi Project Book 1 (2015)](https://magpi.raspberrypi.com/books/projects-1) (PDF)
 * [The Official Raspberry Pi Handbook 2023](https://magpi.raspberrypi.com/books/handbook-2023/pdf/download)
-
+* [Raspberry Pi Beginner's Guide 4th Edition])(https://magpi.raspberrypi.com/books/beginners-guide-4th-ed/pdf/download)
 ### REBOL
 
 * [Learn REBOL](http://www.lulu.com/shop/nick-antonaccio/learn-rebol/ebook/product-17383182.html) - Nick Antonaccio