I am currently reading an excellent book, written by a man who was there: Maj Gen Frederick Funston. It is available from Amazon for $20 paperback, $28 hardback, and for those of you with Kindle, the e-version is only .99.
https://www.amazon.com/Memories-Two-Wars-Philippine-Experiences-ebook/dp/B01M8FFRR6/ref=sr_1_6?crid=24T7ONWAKIDGA&keywords=memories+of+two+wars&qid=1555947521&s=gateway&sprefix=memories+of+two+wars%2Caps%2C552&sr=8-6The book was originally written in 1911. About 550 pages. It is written more as an "adventure/I was there" story, rather than as a military history, or treatise on strategy and tactics. It does not cover his later adventures in Mexico.
"Fighting Freddy" Funston served as an American "filibuster" (mercenary) with the Cuban Insurgents against Spain in the years before the U.S. got involved in Cuba. He returned to the U.S. just prior to the Spanish-American War, to recover from malaria, and to brief military leaders on the conditions there. When Pres. McKinley called for State Volunteers, Fuston was approached by Kansas Governor John Leedy to serve as Colonel commanding the 20th Kansas Volunteer Infantry, to be sent to the Philippines. The 20th departed for the Philippines in November of 1898, and were among the first to engage with Filipino Insurrectos beginning in Feb 1899. While assaulting the Insurrecto forces at Calumpit that April, Fuston and two other soldiers of the 20th KVI swam the Pampanga River under heavy fire, to secure cables to allow the crossing of the rest of the 2nd Division by raft. For this action, the three men were awarded the Medal of Honor, and Funston promoted to Brigadier General of Volunteers.
Funston later was instrumental in the capture of Insurrecto leader, and self-proclaimed "President" of the Philippines, Emilio Aguinaldo. Funston was confirmed as Brigadier General, US Regulars, and after returning from the Philippines, served as Commanding General of the Presidio at San Francisco. During the San Francisco earthquake of 1906, Fuston organized rescue and recovery efforts, and is credited with saving hundreds of lives, and preventing the spread of the fires. His heavy-handed handling of looters ("shoot on sight") was controversial.
Later promoted to Major General, he was Commanding General of U.S Forces in Mexico 1914-1916, and the Punitive Expedition in the hunt for Pancho Villa. He was at the top of Wilson's "short list" to lead the AEF in the case of America's entrance into World War I, however he dropped dead of a heart attack in San Antonio in Jan 1917 at the age of 51. He was replaced by his subordinate, Gen John "Black Jack" Pershing.