Introduction to Christianity Introduction to Christianity Introduction to Christianity () is a 1968 book written by Joseph Ratzinger (Pope Emeritus Benedict XVI). Considered one of his most important and widely read books, it presents a "narrative Christology" that demonstrates the place for faith is in the Church. The book offers a "remarkable elucidation of the Apostle's Creed" and gives an "excellent, modern interpretation of the foundations of Christianity". Originally published in German in 1968 under the title, "Einführung in das Christentum", Ratzinger restates the Apostles' Creed and the meaning of this foundational text in language that has a greater contemporary resonance than the
Marktl as symbols of navigation and trade, under the blue and white lozenges of the duchy of Bavaria. Marktl is twinned with: Marktl Marktl, or often unofficially called Marktl am Inn ("Little market on the river Inn"), is a village and historic market municipality in the state of Bavaria, Germany, near the Austrian border, in the Altötting district of Upper Bavaria. The most notable neighbouring town is Altötting. Marktl has approximately 2,700 inhabitants. Marktl is the birthplace of Pope Benedict XVI (previously Cardinal Joseph Aloisius Ratzinger), who succeeded Pope John Paul II as the 265th head of the Roman Catholic Church.