Oh What a Slaughter!

: Massacres in the American West: 1846–1890 is a 2006 book by Larry McMurtry.

[1] He later wrote "I became interested in hundred-victim massacres in the Old West and produced a study of them.

"[2] The Detroit Free Press called it "a rickety book, tacked and taped together from earlier, mostly secondary sources.

"[3]