Unique book "Sweet old Petersburg. Memories of the life of old Petersburg at the beginning of the 20th century." Its authors are two St. Petersburg old-timers P.A. Piskarev and L.L. Urlab, born at the turn of the XIX-XX centuries. The memoir reveals in detail the everyday and festive lives of this wonderful city and its inhabitants in the last century. The materials are arranged in the following order and tell about the appearance and life of the streets of St. Petersburg at the beginning of the 20th century, then they tell about the childhood memories of the authors, about transport, about dacha life, and, finally, the appearance of Old St. Petersburg is reproduced according to newspaper ads.