diff --git a/books/free-programming-books-langs.md b/books/free-programming-books-langs.md
index a5e59321..a6b62afd 100644
--- a/books/free-programming-books-langs.md
+++ b/books/free-programming-books-langs.md
@@ -796,6 +796,7 @@ That section got so big, we decided to split it into its own file, the [BY SUBJE
 ### GraphQL
 
 * [Fullstack GraphQL](https://github.com/GraphQLCollege/fullstack-graphql)
+* [Learning graphqL](https://riptutorial.com/Download/graphql.pdf) (PDF)
 
 
 ### Groovy