TEXTBOOKS
Byron W. Daynes and Glen Sussman, White House Politics and the Environment: Franklin D. Roosevelt to George W. Bush (Texas A&M University Press, 2010)
Richard Ellis and Michael Nelson,eds., Debating the Presidency, 2nd ed (CQ Press, 2010)
Fred Greenstein, The Presidential Difference, 3rd ed. (Princeton University Press, 2009)
Charles O. Jones, The American Presidency (Oxford University Press, 2007)