The subject of Abraham Lincoln has fascinated author Doris Kearns Goodwin for years as a working historian. Her credentials include the coveted Pulitzer Prize for NO ORDINARY TIME (a portrait of FDR and Eleanor) and works about the Kennedys and Lyndon Johnson. TEAM OF RIVALS is a well-documented work that chronicles not only the life of Abraham Lincoln but also those of his rivals for the Republican nomination for President in 1860. William H. Seward, Salmon P. Chase an