Robert Sobel has written at least 5 books. Their most popular book is Coolidge: An American Enigma with 4 saves with an average rating of 2.5⭐.
They are best known for writing in the genres History and Business & Economics.
1998 • 4 Readers • 500 pages • 2.5
2 Readers
1 Reader • 2
1968 • 1 Reader • 482 pages