Through Gates of Splendor is a 1957 best selling book written by Elisabeth Elliot. The book tells the story of Operation Auca, an attempt by five American missionaries – Jim Elliot (the author's husband), Pete Flemming, Ed McCully, Nate Saint, and Roger Youderian – to reach the Huaorani tribe of eastern Ecuador. All five of the men were killed by the tribe. The book is Elliot's first book, and arguably her most well-known work.