Janeway’s Immunobiology, Ninth Edition

respect to our microbial communities. The authors do the field a service by making it very clear that there is much to be learned, and that even their published book is not absolute by virtue of being the latest news. In addition, the hand-drawn illustrations are appealing and contribute to perception that far from being immortalized in official, unchangeable textbook figures, the microbiome is an area of dynamic research where every fresh discovery is a new facet of a complex and far-reaching issue.