Book excerpt: Lord, Open My Lips is a concise, easy-to-read introduction to the Liturgy of the Hours - those powerful prayers that contemporary Christian monks gather to recite seven times each day. Designed to help laypeople integrate these prayers into their daily routine, this guide can be used in conjunction with any of the several basic texts of the liturgy currently in use. Tested by students of the liturgy for more than three years, Lord, Open My Lips has been carefully revised for clarity and simplicity.