Learning Scala: Practical Functional Programming for the JVM
Jason Swartz
IPv6 Essentials
Silvia Hagen
Groovy in Action: Covers Groovy 2.4
Erik Pragt
Mastering Parallel Programming With R
Simon R. Chapple & Eilidh Troup & Thorsten Forster & Terence Sloan
Git Fundamentals
Thom Parkin
Git Essentials
Ferdinando Santacroce