Gordon Shirreffs, an authority on Civil War history, has written many novels for teenagers centered on his favorite subject -- represented this year by The Mosqueto Ficet and The Rebel Prumpeter (J-98). Now he turns our attention seaward to Dick Morgan, powder boy of ""the little iron pot"", that odd looking war vessel which was to distinguish itself beyond expectation. Dick has many exciting times aboard the Monitor, but the highlight of his adventure occurs on that fateful day in 1862 when he participates in the famous battle against the enormous . Later he boards the Montauk and continues to meet danger as only Shirreffs' courageous young boys can do. Those who enjoy history in fictionalized form will want to relieve this aspect of the Civil War with this young hero.