Santiago-Vendrell presents to us the triumphs and perils of a selected group of Pentecostal missionaries and ministers that impacted the Latin American landscape profoundly. And he does so by using biography as a methodological lens. For Santiago-Vendrell, the use of biographies will immerse you in "the story of what God has done in the lives of missionaries and how those protagonists have interpreted God for their audiences, with all the frailties of human existence.