scala val xml = <book> <title>Scala in Action</title> <author>Martin Odersky</author> </book> scala val xml = <library> <book> <title>Scala in Action</title> <author>Martin Odersky</author> </book> <book> <title>Functional Programming in Scala</title> <author>Paul Chiusano</author> </book> </library> val bookTitles = (xml \\ "title").map(_.text)