Scala in Depth: Joshua D. Suereth, Martin Odersky: 9781935182702: Amazon.com: Books
Scala for the Impatient: Horstmann, Cay: 9780134540566: Amazon.com: Books
Hands-On Data Analysis with Scala: Perform data collection, processing, manipulation, and visualization with Scala: 9781789346114: Computer Science Books @ Amazon.com
Learning Scala: Practical Functional Programming for the JVM: Swartz, Jason: 9781449367930: Amazon.com: Books