The Complete Foundation Series contains all six articles together in one book. The book is A4 size, spiral bound, over 100 pages and 60,000 words (the average non-fiction paperback book is about 50,000 words)
"Hearing God's Voice: 25 Important Points to Consider"
"Does the Law of Moses Apply to the Christian?"
"Why Did God Take My Child?"
"Common Objections to Baptism in the Holy Spirit"
"Why Later Translations are Preferable to the King James Version"
"Should Christians Celebrate Christmas on December 25?"
NOTE: This is a bargain. Buying 4 of the 6 Booklets individually would cost $50