The 45th Chennai Book Fair that was being held at YMCA grounds, Nandanam, concluded on Sunday. The 19-day long fair recorded a footfall of 15 lakh people and the sale of books worth ₹12 crore, Booksellers and Publishers Association of South India (BAPASI) said. The fair had 800 stalls, including those set up to promote Tamil Nadu government’s education-at-doorstep scheme.