The Immune System is a concise yet thorough human-oriented introduction to how the human immune system works. It provides an up-to-date presentation of the field, written in an accessible style, replete with relevant medical examples. Plentiful illustrations and micrographs complement and illuminate the explanations.

The Fifth Edition is supported by InQuizitive, Norton's award-winning, easy-to-use adaptive learning tool that provides student practice and promotes critical thinking.

In continuous publication since 1994 and now in its sixth edition, Molecular Biotechnology: Principles and Applications of Recombinant DNA has been effective in introducing this complex field to students for more than 25 years. This textbook covers essentially every aspect of the field of molecular biotechnology, which is constantly changing and adapting in light of new advances.

This edition includes the latest techniques in DNA sequencing and genetic engineering of microbial, plant, and ani...