add new Book - Knowledge Graphs (#9167)

* add new Book - Knowledge Graphs

* remove and

Co-authored-by: Eric Hellman <eric@hellman.net>

books/free-programming-books-langs.md

@@ -1603,6 +1603,7 @@ That section got so big, we decided to split it into its own file, the [BY SUBJE
 * [Graph Algorithms: Practical Examples in Apache Spark and Neo4j](https://neo4j.com/graph-algorithms-book/) - Mark Needham, Amy E. Hodler (PDF, EPUB, MOBI) *(email requested)*
 * [Graph Databases 2nd edition](http://neo4j.com/books/graph-databases/) - Ian Robinson, Jim Webber, Emil Eifrém (PDF, EPUB, MOBI) *(email requested)*
 * [Graph Databases For Dummies](https://neo4j.com/graph-databases-for-dummies/) - Dr. Jim Webber, Rik Van Bruggen (PDF) *(email requested)*
+* [Knowledge Graphs: Data in Context for Responsive Businesses](https://neo4j.com/knowledge-graphs-data-in-context-for-responsive-businesses/) - Jesús Barrasa, Amy E. Hodler, Jim Webber (PDF) *(email requested)*
 
 
 ### .NET Core