As far as books go, Scala for the Impatient is one of the few I&#x27;d recommend.  The first half of it is available for free<p><a href="https:&#x2F;&#x2F;www.typesafe.com&#x2F;resources&#x2F;e-book&#x2F;scala-for-the-impatient" rel="nofollow">https:&#x2F;&#x2F;www.typesafe.com&#x2F;resources&#x2F;e-book&#x2F;scala-for-the-impa...</a>