USA 820 Town Center Drive, Langhorne, PA 19047. vox +215 750 2642, fax 6343.
UK Box 90, Reading RG1 8JL. vox +118 956 0080 /8316, fax 8211 or Biblios Distribs +1403 710971.
Europe +4161 261 0138 (fax 0173).
Japan 03 3208 0186 (fax 5308).
Singapore +741 6933 ( fax 6922). Kent Ridge Box 1180, Singapore 9111.
