The concept of this book arose out of an international workshop, which we organized and held at the University of Wales Conference Centre at Gregynog. The workshop was the first occasion on which researchers from all the different disciplines concerned with the extracellular virulence factors of mucoid strains of Pseudomonas aeruginosa in relation to cystic fibrosis (CF) had met to discuss this multifaceted problem. It was deemed a particularly timely moment to gather together experts for the exchange of facts, ideas and hypotheses. No formal abstracts were presented and no proceedings were...