Elasticsearch Essentials
Bharvi Dixit
Solr in Action
Trey Grainger & Timothy Potter
The Book of Lost Tales, Part 1
J. R. R. Tolkien
The Book of Lost Tales (1)
Test-Driven Infrastructure With Chef
Stephen Nelson-Smith
Pro Apache Hadoop
Sameer Wadkar & Jason Venner
Hadoop Cluster Deployment
Danil Zburivsky
Apache Spark 2.x Cookbook
Rishi Yadav