52 in 52 Week 48: The Front Line by John Bornschein, et al
All the contributors used an abundance of Scripture to give a basic foundation for understanding the purpose of prayer and to give examples of prayer by people in Scripture. The last part of the book has all of these verses printed out in their entirety.
In addition to the abundance of Scripture, it has practical suggestions too. It has everything you need to become equipped for the battle!