In his book he explores various methods of praying and relaxation techniques that you can use to "go deeper" with prayer. Some of these will take patience, persistence and a willingness to push beyond your comfort zone.
The book is written in a very personal way that draws you along the author's journey of exploring different types of prayer other than the standard ones found in modern homes and churches. Having been exposed to early Christian writings as an immature Christian, his thoughts resonated with me and I found myself wishing to consider his discoveries further. Mr. Wilson doesn't just give you his theoretical thoughts on prayer. This is a how-to manual, so you can begin right away with the practices.
Are you looking to go deeper? Is your prayer life getting a little dusty or few and far between? Check this book out - even adopting one of his suggestions will be a step in the right direction.