1. Introduction to extruders and their principles / Mian N. Riaz -- 2. Single-screw extruders / Galen J. Rokey -- 3. Dry extruders / Nabil W. said -- 4. Interrupted-flight expanders-extruders / Maurice A. Williams -- 5. Twin-screw extruders / Gordon R. Huber -- 6. Preconditioning / Bradley S. Strahm -- 7. Chemical and nutritional changes in food during extrusion / Mary Ellen Camire -- 8. Practical considerations in extrusion processing / Mian N. Riaz -- 9. Extruders in the food industry / Eric Sevatson and Gordon R. Huber