The Understand the Bible for Yourself book segmented as a course, and is only for serious, advanced students with good English.
The lessons are available as PDF files below, together with a set of model answers.
4. Why God is angry with his world
5. The problem with sin and death
7. What do we know about Jesus?
10. How can we justified by faith?
11. What is the faith that saves?
12. Jesus Christ the promised King
13. How can we become like Jesus?