Rev Donald MacLean (1915-2010) was a gifted minister of the gospel whose pastoral ministry on the Isle of Skye and in Glasgow lasted over fifty years. Many thousands heard his powerful preaching throughout these years and under the blessing of the Holy Spirit this was profitable to many people. Unsearchable Riches contains twelve of Donald MacLean's instructive and devotional sermons. The book begins with a sermon whose title epitomises the contents of the volume - 'Unsearchable riches'.The reader will find here solid expositions of Scripture, a rich covenantal theology, and a warm emphasis on Christian experience.