Found 2 comments on HN
stusmall · 2015-02-25 · Original thread
Programing in Scala[1] helped make a lot of things click for me. I'd start there.

1.http://www.amazon.com/Programming-Scala-Comprehensive-Step-S...

pdog · 2012-07-26 · Original thread
Sorry, but Martin Odersky, Lex Spoon and Bill Venners wrote the book on Scala: Programming in Scala: A Comprehensive Step-by-Step Guide, 2nd Edition[1]

[1] - http://www.amazon.com/Programming-Scala-Comprehensive-Step-S...

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