Book fair: BU plans to hold `World of Books 2011', a mega book fair at Palace Grounds on August 12 to mark Librarians' Day. The event will be open to 1 lakh students and 25,000 faculty from the university's 600-odd affiliated colleges. One million books will be on display. Besides academic activities and literary walks, BU will give away the `best user award' to one PG student who uses the university library the most.