Dan Brown is an author.
This Theodore Roosevelt bibliography lists the works written by Theodore Roosevelt .. Theodore Roosevelt. Theodore Roosevelt. Roosevelt was a diligent and skilled writer .. When he lost his fortune in the Dakota Territory in 1886 and needed to make a living to support his family , he did so for the rest of his life by writing .. Roosevelt wrote on a wide range of topics and genres , including history -LRB- The Naval War of 1812 -RRB- , autobiography , biography -LRB- Oliver Cromwell -RRB- , commentary and editorials -LRB- whole series for the Kansas City Star and The Outlook -RRB- , memoirs -LRB- of his experiences in Cuba leading the Rough Riders -RRB- , nature -LRB- Summer Birds of the Adirondacks -RRB- , and guide books -LRB- New York  : Historic Towns -RRB- .. In addition , Roosevelt wrote more than 150,000 letters by one estimate .. In his writing , Roosevelt in his style could be strong , introspective , exuberant , or angry -- the subject dictated the style .