James Montgomery Boice was a Reformed theologian, Bible teacher, and pastor of Tenth Presbyterian Church in Philadelphia from 1968 until his death in 2000. He was also president and cofounder of the Alliance of Confessing Evangelicals, the parent organization of The Bible Study Hour on which Boice was a speaker for more than thirty years.
An ensemble work representing selected lectures delivered at various times during the first three years of the Philadelphia Conference on Reformed Theology. Here are the writings of some of the best Anglo-American Reformed writers extant during the last half of the 20th century. Men like J. I. Packer, R. C. Sproul, John Stott and others. Very good stuff here.