WITH school-days ended, the question of self-education became an absorbing thought with Edward Bok. He had mastered a schoolboys English, but seven years of public-school education was hardly a basis on which to build the work of a lifetime. He saw each day in his duties as office boy some of the foremost men of the time. It was the period of William H. Vanderbilts ascendancy in Western Union control; and the railroad millionnaire and his companions, Hamilton McK. Twombly, James H. Banker, Samuel F. Barger, Alonzo B. Cornell, Augustus Schell, William Orton, were objects of great interest to the young office boy. Alexander Graham Bell and Thomas A. Edison were also constant visitors to the department. He knew that some of these men, too, had been deprived of the advantage of collegiate training, and yet they had risen to the top. But how? The boy decided to read about these men and others, and find out. He could not, however, afford the separate biographies, so he went to the libraries to find a compendium that would authoritatively tell him of all successful men. He found it in Appletons Encyclopædia, and, determining to have only the best, he saved his luncheon money, walked instead of riding the five miles to his Brooklyn home, and, after a period