The Humble Bundle books bundle, Pocket Primers by Mercury (Learning and Information): $1 - HTML 5 Css3 jQuery Microsoft Excel programming Multimedia web design and development using: languages to build Dynamic web pages $8 - Angular 4 D3: data-driven documents Microsoft Access 2016 programming Microsoft Excel 2016 programming SVG HTML5 canvas and css3 Graphics $15 - Data cleaning Data structures and algorithms in C++ Python 3 Computer Graphics programming in opengl with Java Python: an introduction to programming Android HTML5 mobile
https://www.humblebundle.com/books/pocket-primers-books?partner=thetalkinggeek