Preface; Acknowledgements; List of abbreviations; List of SI prefixes; 1. Animals in a chemical world; 2. Methods for identifying and studying semiochemicals; 3. Pheromones, chemical cues and sexual selection; 4. Coming together and keeping apart: aggregation pheromones and host-marking pheromones; 5. Territorial behavior, pheromones and signature mixtures; 6. Pheromones and social organization; 7. Pheromones and recruitment communication; 8. Fight or flight: alarm pheromones and cues; 9. Perception and response to chemical communication: from chemosensory receptors to brains, behavior and development; 10. Finding the source: pheromones and orientation behavior; 11. Breaking the code: illicit signalers and receivers of semiochemicals; 12. Using semiochemicals: applications of pheromones and signature mixtures; 13. On the scent of human attraction: human pheromones?; Appendix. An introduction to some chemical terms for non-chemists; References; Index.