The world's greatest book sale turns back time on book prices! million books, 75% - 95% discounts! Open 24 hours, 4 - 14 December at MIECC. Email Address *. Subject*. Message*. Send. Big Bad Wolf. 4, Avenue des Eaux Vives• - Genval. VAT BE +32(0)2 84 58 · See itinerary. A Big Bad Wolf kid is fashion-forward and we enhance that by bringing the essence of street-inspired wear, art and culture. Unlike other brands, we created Big.