Each reader will find chapters to delight him- or herself. … should find a home in every biology library… a solid introduction to students, and extensive reviews of the past 20 years of research for professional investigators. They also will provide hours of enjoyable reading. The books represent the flowering of decades of research by dozens of pioneering scientists, and show how important symbiosis is to the biological sciences. The topic is so rich, and the investigators so productive that the editors could continue to produce a new volume every 3 years, indefinitely. Let’s hope they do.— Michael F. Dolan, University of Massachusetts, Amherst, USA". . . chapters are like reviews and provide a good, and accurate, background of the topic under discussion. The wide-ranging nature of the content ensures that this book has something for everyone with an interest in symbiosis and it would be a useful addition to the bookshelf of any researcher with an interest in symbiosis in general." – David Clarke, University College Cork, in Microbiology Today, May 2009"This volume is a step forward in advancing the goal of using our knowledge about endosymbionts for practical pest management programs." – Marjorie A. Hoy, Entomology & Nematology Department, University of Florida, in Florida Entomologist, June 2009, Vol. 92, No. 2