I'm not a Calvinist, but "Knowing Scripture" by R.C. Sproul is basic and good.
And "The Stranger on the Road to Emmaus" by John R. Cross is great for the new believer.
http://www.christiananswers.net/catalog/bk-stranger.html
And "The Stranger on the Road to Emmaus" by John R. Cross is great for the new believer.
http://www.christiananswers.net/catalog/bk-stranger.html