Book excerpt: This book is intended to provide medical radiography programs with an economical textbook that focuses on the practical aspects of digital radiography. In this new second edition by esteemed author Quinn B. Carroll and with content developed in close collaboration with the medical physics community and several reviewers, this is the most accurate information on digital imaging available. Terminology has been updated throughout the textbook to conform with the most recent revisions of the ASRT Radiography Curriculum Guide and the ARRT Radiography Content Specifications. Several new illustrations and helpful tables have been developed to clarify digital concepts. A new table, Operator Adjustments to Digital Image Qualities and Their Primary Controls, beautifully summarizes the effects of leveling, windowing, equalization, edge enhancement, smoothing and noise reduction, while related text reduces dozens of different manufacturers' terms to these basic operations in the table. Material on medical digital fluoroscopy and imaging informatics has been updated, with a continued emphasis on practical application and clinically useful information. Extensive support materials, including slides correlated to a student workbook, labs, comprehensive question banks and answer keys, have all been updated and improved.