diff --git a/README.md b/README.md
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@@ -253,6 +253,7 @@ Creative coding is a different discipline than programming systems in which the
 - [WebGL Tutorials](http://www.webgltutorials.org/) - Website with a really good collection of WebGL tutorials.
 - [Generating Geometry: 1](http://codepen.io/mcdorli/post/generating-geometry-part-1-basics), [2](http://codepen.io/mcdorli/post/generating-geometry-part-2-going-3d), [3](http://codepen.io/mcdorli/post/generating-geometry-part-3-getting-spherical) - Beginner introduction on how to create geometry object.
 - [Three.js sine animation](http://www.pshkvsky.com/gif2code/sine-animation-tutorial-three-js/) - Learn how to add sine waves to a circle with three.js. ([oF version](http://www.pshkvsky.com/gif2code/sinewaves-animation-tutorial-openframeworks/))
+- [Into Vertex Shaders](https://medium.com/@Zadvorsky/into-vertex-shaders-594e6d8cd804) - Series of tutorials about WebGL, Three.js, and Three.bas.
 
 #### Canvas