The consultants who will benefit the most from a certification are the ones with typically less than 2 year's project experience. This is not to say that consultants with higher experience will not benefit, but at that level, having a certification matters much less. So if you have little or no SAP- HANA experience, you should get yourself certified, get some project experience, and then the whole of the SAP World open for you to explore. Helping you with the first step on you ladder to success is this book. Why should you buy this book? - The ONLY book in the market for Application Associate (Edition 2013) HANA - Written but consultants with over 10 years of work experience in HANA/BW and who have themselves cleared this exam - Over 200 authentic questions following the same pattern as the actual exam