Fix #1839

javascript-frameworks-resources.md

@@ -69,7 +69,7 @@
 
 ## Express.js
 
-* [Express.js Guide](https://leanpub.com/express/read) - Azat Mardanov *(Leanpub)*
+* [Express.js Guide](https://web.archive.org/web/20140621124403/https://leanpub.com/express/read) - Azat Mardanov *(Leanpub)*
 
 
 ## jQuery