Programming Pig by Roberto Zicari · Published November 1, 2012 · Updated November 3, 2013 by Alan Gates LINK (free online version)
Analytics in a Big Data World: The Essential Guide to Data Science and its Applications April 30, 2014 by Roberto Zicari · Published April 30, 2014 · Last modified June 12, 2015
Big Data Computing March 18, 2014 by Roberto Zicari · Published March 18, 2014 · Last modified March 26, 2014