There are various options for someone wanting a book with an overview of all Bible teachings. This one is “Understand the Bible” by Tecwyn Morgan.
|The book “Understand the Bible for yourself” formatted as a correspondence course.
The lessons are available as PDF files below, together with a set of model answers.
Or you can download the complete course (zipped) (2.51 MB)
To download, right-click on the link and select Save Target As.