This book sets out to guide the analyst through the steps needed to obtain good quality results in DNA analysis. The underlying principles for achieving this goal were formulated by LCG as the six principles for ensuring valid analytical measurement, which are detailed in the introduction. The authors of each chapter are practitioners of the art of DNA analysis in areas where the quality of the result is critical. At a time were the use of DNA and nucleic acid analysis is growing exponentially, this title will provide an indispensable handbook and reference of the highest standard for those working in the fields of food analysis and forensic applications.