Preface.- 1 Unique Characteristics of the Olfactory System (Kensaku Mori and Hiroyuki Manabe).- 2 Odor and Pheromone Molecules, Receptors, and Behavioral Responses (Kazushige Touhara).- 3 Olfactory Map Formation in the Mouse (Hitoshi Sakano).- 4 Odor Maps in the Olfactory Bulb (Kensaku Mori).- 5 Zebrafish Olfactory System (Yoshihiro Yoshihara).- 6 Interneurons in the Olfactory Bulb: Roles in the Plasticity of Olfactory Information Processing (Masahiro Yamaguchi).- 7 Parallel Tufted Cell and Mitral Cell Pathways from the Olfactory Bulb to the Olfactory Cortex (Shin Nagayama, Kei M. Igarashi, Hiroyuki Manabe, and Kensaku Mori).- 8 Piriform Cortex and Olfactory Tubercle (Kensaku Mori).- 9 Human Olfaction: A Typical Yet Special Mammalian Olfactory System (Tali Weiss, Lavi Secundo, and Noam Sobel).- BM Index.