Hadoop Application Architectures Mark Grover, Ted Malaska, Jonathan Seidman, Gwen Shapira 2015 O'Reilly 1st 978-1-491-90008-6 Hadoop in Practice Alex Holmes 2015 Manning 2nd 978-1-617292-22-4 Apache Sqoop Cookbook Kathleen Ting, Jarek Jarcec Cecho 2015 O'Reilly 1st 978-1-449-36462-5