On the occasion of Book Fair, which takes place annually in Belgrade, Mercator Center dedicated next two weekends to books. In addition to the selling exhibition, which is being organized in Mercator center from October 20th to November 2nd, in cooperation with Geopoetika publishing house, Mercator is inviting all visitors to join socially responsible initiative of collecting children's books that will be donated to the Drop-In Centers in Belgrade and Novi Sad.