General Knowledge ISBN: 9789387758308 64 Pages + CoverSize: 8.5" x 11"Price Rs. 165/-ISBN: 9789387758315 72 Pages + CoverSize: 8.5" x 11"Price Rs. 185/-ISBN: 9789387758322 80 Pages + CoverSize: 8.5" x 11"Price Rs. 205/-ISBN: 9789387758339 88 Pages + CoverSize: 8.5" x 11"Price Rs. 225/-ISBN: 978938775834696 Pages + CoverSize: 8.5" x 11"Price Rs. 250/-