Biannual (or more) shopping expeditions to increase the size of the Library.
The UniSFA Constitution requires that a percentage of the clubs income be spent on BookBuys.
An occasional source of controversy about what should be purchased. DaveCake once punched Skippy after Skippy suggested he should get off his lazy arse and make it to a Book Buy if he wanted the books he was after purchased, but DaveCake doesn't recall the event in question. Skippy remembers it pretty clearly though.