Regis Salons has tapped Story Worldwide to custom publish a new quarterly magazine, The Hair Book. Starting Monday, April 6, 300,000 copies of The Hair Book will be distributed exclusively at Regis Salons' 1,100 North American locations. The magazine will be supplemented by a Web site, TheHairBookOnline.com, which also is slated to launch Monday. Regis Salons' core customers are fashion- and trend-conscious women.