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Welcome to Transferable Cross Training

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Tickets for the Worldview Apologetics Conference 2026 are now available. You can find details here:
https://transferablecrosstraining.org/event/worldview-apologetics-conference-2026/

And you can purchase tickets for the event here:
https://worldviewapologeticsnw.org/shop/

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Spiritual Warfare is officially for sale again and shipping now. It is available both in our Online Store as well as through Amazon.


https://transferablecrosstraining.org/online-store/

Mark Bubeck, was a humble, godly Christian preacher, teacher and author; a spiritual giant, and a noted pioneer in training Christians how to successfully respond to genuine demonic attacks. He wrote to me:

I just finished reading again your book and was blessed. I read it out loud to Anita in my daily visits to her in the care center. It was good to read every word that way. As you know, I had read it through in your manuscript form and quick read in parts after it was published, but this was different. I missed seeing what a strong polemic you address to pastors for their avoidance of the subject! That’s great and should be compelling to those who avoid the obvious, biblical foundations of freedom ministry. Your strong focus on the doctrinal absolutes of the Word is also refreshing. Thank you again, Karl, for your good work.

Although Mark and I represent two different generations of Christian leaders, it was apparent that, after interacting with him personally on several occasions, the clichés he was forced to deal with from fellow Christians about spiritual warfare and the occasional comments I have had to address were very similar. Man-made paradigms, like assumptions and folklore, are hard to change if they are repeated often enough. But rote repetition does not make something true. As Christians, our standard for sound doctrine and obedience to God is Scripture, not the personal opinions or pining of a favorite champion, regardless of his or her popularity

Thank you for your continued support!

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Transferable Cross Training is a series of transferable discipleship training books developed for Christians who are interested in learning more about their faith, and how to effectively and comfortably share what they have learned with others.

The uniqueness of this material is not in the subject matter covered or the Bible verses incorporated in each lesson. What is different about this material from most fill in the blank Bible study lessons is the simple, intentional transferability of each topic covered. “If I can do it, you can do it” succinctly captures the heart and purpose of this discipleship training material. The goal of each lesson is not to tell someone you have read the book or completed the class, but to be able to actually use these materials on a daily basis or as the opportunity presents itself, with or without notes or Bible in hand.

Book one, Essentials, focuses primarily on topics that are foundational to the Christian faith, and represent questions and answers typically asked by people inside the Christian faith who need to understand more about the biblical basis of the faith they profess to possess.

Book two, Apologetics, focuses primarily on questions and answers that are often asked by critical, curious or skeptical people, outside the Christian faith, who have grown accustomed to Christians running from their antagonistic questions rather than attempting to adequately responding to them.

Book three, Leadership, focuses primarily on exploring questions and answers related to developing active, aggressive, efficient, effective ministers and ministries; anticipating the predictable attitudes and obstacles that must be recognized, confronted and resolved if successful ministry is going to be sustained on an ongoing basis.