A new edition of Programming in Scala [1], by Martin Odersky, Lex Spoon, and Bill Venners, was published on December 13, 2010 by Artima [2], Inc. The 2nd edition of the Jolt Productivity Award-winning "staircase book" has been updated for Scala 2.8, with more than 100 pages of new content covering:
copy
method on case classes Programming in Scala, 2nd Ed. is available directly from Artima [1] as a PDF eBook for $29.95, in softcover for $54.95, and as a discounted eBook/softcover combo for $69.95. The softcover is also available from Amazon.com [3].
Links:
[1] http://www.artima.com/shop/programming_in_scala_2ed
[2] http://www.artima.com/index.jsp
[3] http://www.amazon.com/dp/0981531644/