We are very happy to present this book on "Mathematical Problems on Aging Parametrers". This book deals with the analytical properties of Aging Parameters, which is needed to estimate them. We shall feel highly obliged for any suggestions and constructive criticisms for the improvement of the book. Lastly, we thank the publishers for publishing our work. Prof. E.S.LAKSHMINARAYANAN (Co-Author) M.SUMATHI (Author)