The Association of Bookmobile and Outreach Services is comprised of libraries of all types and sizes. Library administrators, support staff, library staff, governmental officials, trustees, friends of libraries, and professionals from other fields comprise this movement.

The mission of the Association of Bookmobile and Outreach Services is to support and encourage government officials, library administrators, trustees, and staff in the provision of quality bookmobile and outreach services to meet diverse community information and programming needs.

The purpose of the Association of Bookmobile and Outreach Services is:

(a) to provide a forum for discussion of activities, programs, challenges and successes in the field of bookmobile and outreach services in libraries

(b) to contribute to the education and training of library staff working in the area of bookmobile and outreach services in libraries

(c) to promote bookmobile and outreach services as essential services in libraries

(d) to serve as a channel of communication and instruction to improve bookmobile and outreach services