Bra Böckers Lexikon (BBL) is a Swedish encyclopedia published between 1973 and 1996, in four editions with 25 volumes each. The three first editions was sold in more than 400,000 copies.[1] The first edition was published between 1973-81, the second 1974-82, the third 1983-90 and the fourth 1991-96. Between 1995-99 a special edition, Bra Böckers Lexikon 2000, was published.