Here are several resources to help you grow in prayer:
Sermon Message by Dirk Andrepont (6/11/17)
Emphasis: Practical application
Praying the Bible by Don Whitley (Amazon)
A Simple Way to Pray by Martin Luther and Archie Parrish
Emphasis: Theologically in depth with practical application
Prayer by Dr Tim Keller -Experiencing Awe and Intimacy With God (Amazon)