Java 9 High Performance
Mayur Ramgir
Software Defined Networking With OpenFlow
Siamak Azodolmolky
Getting Started With Varnish Cache: Accelerate Your Web Applications
Thijs Feryn
Solr in Action
Trey Grainger & Timothy Potter
So long, and thanks for all the fish
Douglas Adams
The Hitchhiker's Guide to the Galaxy (4)