I recommend Programming in Scala: A Comprehensive Step-by-Step Guide http://www.amazon.com/gp/product/0981531644/ref=as_li_ss_tl?ie=UTF8&tag=ninja0ed-20&linkCod

I recommend Programming in Scala: A Comprehensive Step-by-Step Guide http://www.amazon.com/gp/product/0981531644/ref=as_li_ss_tl?ie=UTF8&tag=ninja0ed-20&linkCode=as2&camp=1789&creative=390957&creativeASIN=0981531644 http://www.amazon.com/gp/product/0981531644/ref=as_li_ss_tl?... Clear and well written.