Compilation of brief biographies of Boston Americans baseball players. Includes records and 1907 National League schedule. Printed on cover: "Who's who in the Boston Americans. Portrait, record and sketch of life of each player by T.H. Murnane. With champion records, batting, star events, etc. from the beginning of organized league ball. Price 10 cents. The Ball Publishing Co., publishers, Boston. Copyright 1907 by Herbert B. Turner & Co."