diff --git a/books/free-programming-books-langs.md b/books/free-programming-books-langs.md
index e5674caad..7260d92ea 100644
--- a/books/free-programming-books-langs.md
+++ b/books/free-programming-books-langs.md
@@ -1205,6 +1205,7 @@ Books on general-purpose programming that don't focus on a specific language are
 * [Neural Networks with JavaScript Succinctly](https://www.syncfusion.com/ebooks/neural-networks-with-javascript-succinctly) - James McCaffrey (PDF, EPUB, MOBI)
 * [Oh My JS](https://web.archive.org/web/20150317231950/https://leanpub.com/ohmyjs/read) - Azat Mardanov (HTML) *( :card_file_box: archived)*
 * [Patterns For Large-Scale JavaScript Application Architecture](http://addyosmani.com/largescalejavascript/) - Addy Osmani (HTML)
+* [Patterns.dev](https://www.patterns.dev) - Lydia Hallie, Addy Osmani (HTML)
 * [Practical Modern JavaScript](https://github.com/mjavascript/practical-modern-javascript) - Nicolas Bevacqua (HTML)
 * [Professor Frisby’s Mostly Adequate Guide to Functional Programming](https://mostly-adequate.gitbooks.io/mostly-adequate-guide/content/) - Brian Lonsdorf (HTML)
 * [Robust Client-Side JavaScript](https://molily.de/robust-javascript/) - Matthias Schäfer (HTML, EPUB)
diff --git a/courses/free-courses-en.md b/courses/free-courses-en.md
index 5dc87a6f3..e5ad9dfa2 100644
--- a/courses/free-courses-en.md
+++ b/courses/free-courses-en.md
@@ -1227,7 +1227,6 @@
 * [React Crash Course 2020](https://www.youtube.com/watch?v=4UZrsTqkcW4) - freecodecamp
 * [React Hooks](https://www.youtube.com/playlist?list=PLZlA0Gpn_vH8EtggFGERCwMY5u5hOjf-h) - WebDevSimplified
 * [React JS Tutorial - Basic to Advance (2023)](https://www.youtube.com/watch?v=cd3P3yXyx30) - Nerd's lesson
-* [React Patterns for web apps](https://www.patterns.dev/book/) - Lydia Hallie, Addy Osmani
 * [React Router 6 – Tutorial for Beginners](https://www.youtube.com/watch?v=59IXY5IDrBA) - John Smilga (freeCodeCamp)
 * [React State Management Intermediate JavaScript Course](https://www.youtube.com/watch?v=-bEzt5ISACA) - Jack Herrington (freeCodeCamp)
 * [React State Management using Context API (useContext + useReducer Hooks = Magic)](https://www.youtube.com/watch?v=zxP4oGejqpU) - The Full Stack Junkie