LEAVING CRACOW.—THE RUSSIAN FRONTIER.—THE POLICE AND THE CUSTOM-HOUSE.—RUSSIAN CENSORSHIP OF BOOKS AND PAPERS.—CATCHING A SMUGGLER.—FROM THE FRONTIER TO WARSAW.—SIGHTS AND INCIDENTS IN THE CAPITAL OF POLAND.—FROM WARSAW TO ST. PETERSBURG. · The Boy Travellers in The Russian Empire / Adventures of Two Youths in a Journey in European and Asiatic Russia, with Accounts of a Tour across Siberia, Voyages on the Amoor, Volga, and Other Rivers, a Visit to Central Asia, Travels among the Exiles, and a Historical Sketch of the Empire from Its Foundation to the Present Time