This 26-slide PowerPoint is designed to teach, engage, and please the eye! In this introductory PPT, C.S. Lewis’ overall apologetic agenda is explained. Apologetics itself is also defined. In addition, the Alister McGrath’s comments regarding Lewis’ apologetic style are included (taken from the book, C.S. Lewis at Poets’ Corner). And last, the Preface in Mere Christianity is discussed in detail. This is the first PowerPoint in a series of 6 PowerPoints. After you teach this PowerPoint, students will have a clear understanding of what Lewis is arguing in books one and two.