This issue of Population Reports can help managers of family planning and reproductive health programs to: advocate inclusion of BCC in family planning programs, a crucial element that has had a low cost for each new contraceptive user; learn how to apply theories of behavior to help choose the most appropriate BCC strategies and messages; learn the key factors contributing to effective BCC programs; oversee the steps in planning, carrying out, and monitoring and evaluating a BCC program; make sure that monitoring and evaluation collect information that helps guide the program; compare and assess different approaches to developing capacity for BCC programming and to scaling up BCC activities.