A 3-day book fair is being conducted at Sri Guru Raja Kalyana Mantapa near Crescent Road, Bengaluru. The event is called 'Lock the box', sponsored by Bookchor.com and is open from April 6 to 8. Get 10 books for Rs 1,000, 17 books for Rs 1,500 or 30 books for Rs 2,500. The fair is open from 9 a.m. to 7 p.m.