Pharmaceutics is the branch of Pharmacy that carries theimpression of Pharmacy Profession in general. It encompasses wholearea that involves designing, formulating and presenting atherapeutically useful chemical entity in a most appropriate drugdelivery system. The comprehensive study of this subject necessitatesintegration of physical, chemical and biological principles, asapplicable to all the components of Drug Delivery Systems.Presenting information on such a subject, that too, to the beginners israther a herculian task. With this awareness in mind an attempt hasbeen made here in the form of this book.Inspite of our sincere efforts in presenting the information, webelieve that, there always exists a room to improve. We shall highlyappreciate constructive suggestions including criticism from thereaders.