The first edition of this book entitled "A Textbook of Novel Drug Delivery Systems" consists of 10 chapters and covers basic concepts in mucoadhesive drug delivery system, oral controlled drug delivery system, prodrugs, resealed erythrocytes and transdermal drug delivery systems. This book has been written with clear description, figure along with illustrative examples. In all chapters we discussed about different polymers used, preparation methods and characterization. It will be useful for undergraduate and post graduate students in pharmacy. It will also increase the interest of this subject and made easier for the readers