This reference book compiles the latest techniques and applications of microbiome engineering. Microbial communities interact dynamically with their hosts, creating a considerable impact on the host and their ecosystem. This book introduces readers to microbiomes and microbiome engineering. It covers topics like omics tools in microbial research, strategies to engineer human microbiomes, the application of synthetic biology to build smart microbes, and the future of microbiome engineering. It includes the application of microbiome engineering in improving human health, livestock, and agricultural productivity. The book is intended for researchers and students in the fields of microbiology and biotechnology.