Getting the Gospel Right by R.C. Sproul
Sproul examines Evangelicals and Catholics Together. This is a follow-up to the equally excellent Faith Alone.
Are We Together? by R.C. Sproul
In this newer work, Sproul responds to those who proclaim that the Reformation is over.
The Roman Catholic Controversy by James White
White is very careful to first understand Roman Catholic doctrine before refuting it through Scripture.
Scripture Alone by James White
White addresses the ultra-important doctrine of sola Scriptura.