I would like to acknowledge the commitment and dedication of the contributing authors and peer reviewers of the chapters contained within this text. I am very grateful to the staff of McGraw-Hill, especially Michael Weitz, Christina Thomas, and Laura Libretti, for the opportunity to develop this textbook and for their dedication to this project. Finally, I would like to thank the students, graduates, faculty, pharmacists, and educational consultants who provided feedback for the development and design of this textbook.