The first edition of this book was the seminal book on pharmaceutical extrusion, focusing on extrusion as a manufacturing methodology for dosage forms. In the past 10 years, extrusion has become an accepted technology to continuously mix active pharmaceutical ingredients with excipients. This acceptance has resulted in many hardware and process advancements which have been highlighted in this second edition. The book brings together all extrusion related technical information necessary for the development, manufacturing, and marketing of pharmaceutical dosage forms.