International Brotherhood of Magicians

International Brotherhood of Magicians (I.B.M.) is the world's largest organization for professional and amateur magicians, with approximately 15,000 members worldwide. The headquarters is in St. Charles, Missouri, and there are over 300 local groups, called Rings, in more than 30 countries, largely concentrated in cities of the United States and Canada, though members of the international organization represent at least 80 different countries. The organization publishes a monthly periodical entitled The Linking Ring, which features tricks, coverage of shows and events in the magic community, and interviews with magicians.