"The first fifteen volumes in the series focus on Bible doctrine, i.e., what the Bible teaches. The first twelve volumes deal with theology, i.e., what the Bible teaches about what is true as opposed to what is false. The next three volumes deal with ethics, i.e., what the Bible teaches about what is right conduct as opposed to what is wrong.In the final two volumes I have shifting gears and am focusing mostly on something that is a bit different...