Answer: All of my studies are copyrighted, but only to prevent for-profit copying. You are permitted and encouraged to copy any of my studies for free or at cost distribution, provided that they are copied in entirety which no changes, and that they include my name and contact information.
Dan Botkin's copyright policy is explained in the introduction to the "Open Response to Bob Trefz" book.
Steve Kraner's copyright policy is explained with his study entitled "Under the Shadow of YHWH's Wings".
"How to Quit Smoking" is included on this site by permission of Steps to Life Ministries. Please contact them if you want printed copies.