World Book, Inc. Headquarters:
180 N LaSalle St.Suite 900
Chicago, Illinois 60601
Ph: 312-729-5800
Fax: 312-729-5600
Customer Service:
Hours: Monday through Friday 9:00 AM -5:00 PM Central Time
Customer Service for Families
Ph: 800-967-5325
Customer Service for Institutions:
US: 800-975-3250
Canada: 800-837-5365
Customer Service for World Book Reading Club:
Ph: 1-888-316-0590