Karen Armstrong: history of god!

Karen Armstrong, born 1944, is a former Roman Catholic nun, well known for her books on Abrahamic religion. Her most famous work is 
"A History of God: The 4,000-Year Quest of Judaism, Christianity and Islam."    When she was 17 years old, Karen Armstrong was in search of God. To find Him, she entered a Roman Catholic convent and became a nun. When she started her new life, she faced a number of struggles, including the fact that she couldn't pray.!