Sovereign Grace ministry is a ministry passionate about helping the local church as they say in their words,
They provided five wonderful and helpful books for free to the church. Although I would not agree to all of their theology, I certainly would recommend their resources. Especially my Favorite is Why Small Groups. Sovereign Grace churches are reformed in their soteriology yet charismatic in their belief concerning spiritual gifts within the church.
These books are:
I pray that these books will be of great help to many.