Begin by relaxing and then quieting your mind. Focus on your intent and address the magical portals into divine wisdom that are before you by acknowledging their power and their role, for example:
"I invite the numinous spirit that resides within these volumes to guide my hand, and my inquiry. Please help me find wisdom."
Close your eyes...
... I am so sorry to do this to you, but this post has been moved to my new website, Divination, and can be found in its entirety here: Consulting The Library Angel