QSU Publishing Co., Fairfax, Va., released the fourth edition of The ISO 9000 Handbook, which provides a roadmap for some 50,000 manufacturing organizations in the U.S., Canada and Mexico facing the December 2003 deadline to upgrade their third-party quality certifications to ISO 9001: 2000, the latest edition of the international quality management system standard and an important contractual requirement for automotive, aerospace, defense, electronics, chemical processing and numerous other industries. The book, co-published by The McGraw-Hill Companies, includes charts, tables and checklists, including a registrar matrix and ships with a CD-ROM featuring exclusive transition tips and guidance from each of QSU's Big Ten registrars of North America along with the verbatim text of ISO 9001: 2000, ISO 9000:2000 and ISO 9004: 2000.