The Rap on the Rapture - by Gregory Koukl. What is the apocalyptic event described in First Thessalonians 4 and First Corinthians 15? Perhaps not exactly what you think it is.
The Rapture of the Church - by Michale Cordner. A brief look at the issues of post vs. pre-tribulation points of view.
The Pretribulation Rapture: What if it isn't true? - by C. H. Fisher. This 14 chapter book exames this issue. Very interesting. - Removed by the request of the Author.
Rapture: Which is Which? - By Chuck Fisher. The author examines the use of the Greek apentesis and whether the Coming of our Lord can really be separated into two phases.