This volume covers a variety of topics, including luminosity function, mass distribution, and populations, White dwarf structure and evolution, White dwarf ages, white dwarf catalogues and surveys, central stars of planetary nebulae, supernova progenitors, white dwarfs in novae and cataclysmic variables, white dwarfs in detached binaries, physical processes in white dwarfs and magnetic white dwarfs, disks, dust, and planets around white dwarfs, and pulsating white dwarfs.