Part I. Fundamentals of Olfaction -- Chapter 1. Peripheral olfactory pathway anatomy, physiology and genetics (Melissa Singletary) -- Chapter 2. Neuroanatomy and neurophysiology of the olfactory signal transduction pathway (Melissa Singletary) -- Chapter 3. Canine olfactory dysfunction (David Dorman) -- Part II. Methodological Considerations -- Chapter 4. Behavioral Characteristics Associated with Detection Dog Success (Lucia Lazarowski) -- Chapter 5. Canine Olfactometry: Tools, Techniques and Procedures (Lauryn DeGreeff) -- Chapter 6. Sources of Human Bias in Canine Olfactory Research (Sarah Krichbaum) -- Chapter 7. Human scent dynamics - combining theory and practice in locating people (G.A.A. Schoon) -- Part III. The role of olfaction in dog cognition and welfare, and for learning and training methods.