John Moxen has done a complete rewrite and update of his courses on Discipleship and Evangelism, which are now available to download for free from here, in PDF format. Other Manuals and booklets have also been produced and made available for download free of charge.
Principles and Practice in Giving
Spirit Controlled Temperaments Booklet
Who Am I? How Does God See Me?
Sowing the Seed, Door to Door Visitations
Finding God’s will and Purpose for Your Life