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 * [2016 European Software Development Salary Survey](https://www.oreilly.com/radar/2016-european-software-development-salary-survey/)
 * [2016 Software Development Salary Survey](https://www.oreilly.com/radar/2016-software-development-salary-survey-report/)
+* [2D Game Development: From Zero To Hero](https://github.com/Penaz91/2DGD_F0TH) (:construction: *in process*)
 * [97 Things Every Programmer Should Know - Extended](https://leanpub.com/97-Things-Every-Programmer-Should-Know-Extended) *(Leanpub account or valid email requested)*
 * [A MACHINE MADE THIS BOOK ten sketches of computer science](http://ocaml-book.com/s/popbook.pdf) - JOHN WHITINGTON (PDF)
 * [Ansible Up & Running (first three chapters)](https://www.ansible.com/ebooks) *(account required)*