This book investigates the Confessional elements in modern American poetry. It is culturally as well as artistically significant for it sheds light on an important movement that became popular in America in response to the period of post-World War II. The objective of the book, therefore, is to analyze, evaluate and trace the roots of Confessionalism in modern American poetry, taking as its example the poetry of Robert Lowell who is generally considered as the father of the school.