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Title: Garbled, not concise
Review: This book claims that its explanations are concise. A concise text is one that grasps the essence of its subject matter and expresses it in a compact, brief manner. In this book brevity of expression is achieved not by grasping the essence of its topics but by cutting corners. Most points are garbled, some entirely wrong. For example, 'erguer' is not a radical-changing verb as the book says. Its spelling change has nothing to do with root change. Unfortunately unless you have some background knowledge of the language you may be caught unaware. I teach Portuguese but will not recommend this book to my students.
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