Book excerpt: Praise for the first edition: I cannot praise this book too highly it is undoubtedly now the benchmark text in this area, and is an absolute essential for every audiologist and student. Graham Sutton, International Journal of Radiology, Vol. 41, No. 6, 2002 One of the best textbooks I have ever used...written by a researcher with a stellar reputation [who is also] an expert on the clinical aspects of the field...packed with information from both a theoretical and practical perspective...makes difficult concepts comprehensible...from an instructors point of view, it is a sheer delight. Adrienne Rubenstein, PhD, Professor, Department of Speech Communication Arts and Sciences, Brooklyn College, New York Key Features: Completely revised to reflect the research and technological advances of the last decade New chapters on directional microphones and the latest digital signal processing strategies Extensive coverage of all aspects of open-canal, thin-tube hearing aids Practical tips, tables, and procedures designed to be pinned on the walls of clinics Each cross-referenced chapter builds on the previous chapters Hearing Aids, Second Edition, is a book within a book: Each chapter has a one-page synopsis that captures the key concepts of each topic The material that students most need is contained in marked paragraphs that flow after each other to form a coherent thin book inside the larger book Intervening additional paragraphs add satisfying depth Written, comprehensively referenced, and extensively reviewed by leaders in the field, this book is ideal as a core graduate text as well as a standard reference for clinicians.