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Title: Good overview, But not useful for SAP ESS developers
Review: If you want to understand, what is ESS, how it works, its overview and architecture. Then this is the book for you. But if you want to develop and implement ESS applications this is not the book for you. Instead you can refer online documentation. As a developer you need better knowledge of BHTML and Java script and how they work interactivity with R/3 applications like transactions and RFCs. I don't suggest this book for you. Unfortunately no book is available currently for developers except bits and pieces of information in SAP online documentation for this purpose. So best of luck in doing experiments with R/3 ESS. Thanks
