Is prayer a mighty spiritual weapon or a waste of time? Is it something to be engaged in fiercely, as if wielding a weapon in the midst of a spiritual battle, or is it a just a personal practice to achieve a calmer, more focused and disciplined life? Does prayer really change anything?

Those questions and so many more are discussed inside the pages of this book. The book does not simply offer one writer's perspective on the topic of prayer. Instead, it delves deep into scripture to see how prayer is presented in God's word.

The book offers a thorough...