Book excerpt: The Big Book of Christian Apologetics is a comprehensive resource designed to equip motivated believers with information to help defend and explain their faith. Examining nearly every key issue, person, and concept related to Christian apologetics, this book clarifies difficult biblical passages, clearly explains various philosophical systems and concepts, examines contemporary issues and challenges, and offers classic apologetic arguments, all with the aim of giving readers the background to intelligently and persuasively talk about their Christian faith with skeptics. An expertly abridged version of the Baker Encyclopedia on Christian Apologetics, this resource brings leading apologist Norman L. Geisler's seminal work to the masses.