pChristianity has had a problematic relationship with warfare throughout its history, with the middle ages being no exception. While warfare came to be accepted as a necessary activity for laymen, clerics were largely excluded from military activity. Those who participated in war risked falling foul of a number of accepted canons of the church as well as the opinions of their peers. However, many continued to involve themselves in war - including active participation on battlefields.br This book, focusing on a number of individual English clerics between 1000 and 1250, seeks to untangle the cultural debate surrounding this military behaviour. It sets its examination into a broader context, including the clerical reform movement of the eleventh and twelfth centuries, the development of a more comprehensive canon law, and the popularization of chivalric ideology. Rather than portraying these clerics as anachronistic outliers or mere criminals, this study looks at how contemporaries unde