30 volumes in total along with player, encyclopedia slipcase and "Wissen-Center" brochure, including: 1 x "Bertelsmann Lexicon" in 15 volumes, 1 x "Economy State Society", 1 x "Countries Nations Continents" in 3 volumes, 1 x "Spectrum of Culture in Word, Picture and Sound" in 2 volumes, 1 x "Panorama of World History" in 3 volumes, 1 x "Natural Sciences and Technology" in 3 volumes, 1 x "People and Health", 1 x "The World of animals" and 1 x "The kingdom of plants", Gütersloh: Bertelsmann Lexikon - Verlag, around 1996, all volumes elaborately bound in dark blue, gold-embossed imitation leather, minor signs of age and wear
