This new edition introduces the field of polymers, balancing chemistry, physics, and engineering applications. It updates a classic text used in introductory polymer courses, but has not been updated since 1993. This revised and updated edition focuses on new technologies that use polymers, new feedstocks, polymers derived from biological sources, new polymerization strategies, and analysis of polymers. Further, the third edition includes new homework problems and examples. With the updates mentioned, the book now includes the latest concepts while also remaining friendly to students new to the field.