updated site

Author: mahmoudparsian

wiki-spark/README.md

@@ -103,3 +103,22 @@ how-to's and tutorials by using PySpark.
 4. [PySpark Accumulator with Example](https://sparkbyexamples.com/pyspark/pyspark-accumulator-with-example/)
 
 -----
+
+
+<a href="https://www.oreilly.com/library/view/data-algorithms-with/9781492082378/">
+ <img
+  alt="Data Algorithms with Spark"
+  src="../images/data_algorithms_with_spark_knowledge_is_power.jpeg"
+>
+
+<a href="https://www.oreilly.com/library/view/data-algorithms-with/9781492082378/">
+ <img
+  alt="Data Algorithms with Spark"
+  src="../images/Data-Algorithms-with-Spark_mech2.png"
+>
+
+<a href="https://www.oreilly.com/library/view/data-algorithms-with/9781492082378/">
+ <img
+  alt="Data Algorithms with Spark"
+  src="../images/Data_Algorithms_with_Spark_COVER_9781492082385.png"
+>