*[Scala Tutorial](https://www.tutorialspoint.com/scala) - Tutorials Point
*[tetrix in Scala](http://eed3si9n.com/tetrix-in-scala-html5-book)
*[The Neophyte's Guide to Scala](http://danielwestheide.com/scala/neophytes.html) - Daniel Westheide
*[The Type Astronaut's Guide to Shapeless](http://underscore.io/books/shapeless-guide/) - Dave Gurnell (PDF, HTML, EPUB) (email address *requested*, not required)