A remarkable medical adventure story of bravery, tragedy, and discovery In 1900, after of the Spanish-American War, Major Walter Reed led a medical team to Cuba to investigate yellow fever, a deadly scourge that had long devastated the southeastern U.S. and Caribbean. His team of Army doctors went on to make one of the twentieth century's greatest medical discoveries when it proved that mosquitoes were the only mode of transmission of this awful and mysterious disease. Yellow Jack is the only book to focus on the team's struggle to understand and eradicate the disease a compelling adventure story of courageous doctors who risked everything for the cause of science and humanity. Colonel John R. Pierce, U.S. Army Medical Corps, Retired (Rockville, MD) was a longtime member of the medical staff and is still the unofficial historian at Walter Reed Army Medical Center. Jim Writer (Rockville, MD) spent 11 years with the Walter Reed Army Institute of Research.