How To Hear God's Voice by Mark Virkler
Here's the blurb:
How to Hear God's Voice is a practical book, clearly training Christians how to experience dialogue with God. Teaching the use of vision, intuitive heart flow and journaling, this book will bring you to the place where you can daily record what the Lord is saying to you.
Paperback: 320 pages
Publisher: Destiny Image Publishers (January 1, 2006)
Here's a great article that synopsizes the book
Here is the amazon link
For the sake of balance, here is an article by a Christian guy against Mark's book. I don't much believe his take on this but hey... i'm being fair.