Keeping in step with an increasingly do-it-yourself world, the Library has installed 23 SelfCheck machines in seven San Francisco Library locations.More than half of the materials checked out in April were scanned through the easy-to-use SelfCheck units, which enable Library patrons to check out and renew print, audio and visual media without the assistance of Library staff-and without waiting in line. "We now have them on every floor of the Main Library," says Shellie Cocking, director of borrower services. "Patrons can find their items and check out on the same floor. This is especially convenient in the children's room, where parents can check out items while their children play." The SelfCheck machines are particularly popular on the first floor, where patrons checked out an average of 955 books and 830 audiobooks, CDs and DVDs per day in April 2008. This is phase one of a project which will result in 68 of the 3M Library Systems units in the Main Library and all 28 branches by 2011. For questions or more information, call (415) 557-4400.