MapReduce Design Patterns

Already certified by Cloudera, was looking a cookbook as reference and examples. This book is having enough concise information to cover the different patterns and well illustrated with java code. Would recommend it for beginners and already users of hadoop api. The book can be find here http://shop.oreilly.com/product/0636920025122.do Disclaimer: the book was given as part from blogger review scheme from O'Reilly.