Designed to train student circulation desk workers at the State University of New York at Stony Brook's Main Library, this guide details specific procedures and outlines administrative policies. Topics covered include: (1) what circulation is; (2) what is expected of graduate students; (3) the library's opening and closing procedures; (4) who may take out books; (5) identification badges; (6) checking out books; (7) renewals; (8) the electronic security system; (9) discharging books electronically and manually; (10) working at the reserve desk; (11) issuing courtesy cards; (12) the dissemination of information to the public while at the circulation desk; (13) the telephone system; (14) commonly asked questions, e.g., library hours, photocopy information, and the locations of specific periodicals and types of books; (15) using the computer charge printout; (16) initiating search requests when patrons cannot find a book in the stacks; (17) holds and recalls; and (18) billing. The guide concludes with information on how to deal with problems such as fire alarms, personal property loss, the lost and found, circulating noncirculating materials when all copy machines are broken, and patron behavior problems. A subject index is included. (SD)