A Tapestry of Gefilte Fish 
Describes a Messianic Jew's attempts to lead various Jewish friends to Christianity. Includes a list of questions important to a Jewish understanding of the faith.
http://www.saltshakers.com/fish/Intellectual Faith
Christian e-book on how to witness to intellectual non-believers. Discusses the nature of faith, arguments that do and do not work, answers to common questions from atheists, and the problem of evil.
http://abound.biz/faith
Answering Objections
An essay by Greg Bahnsen about how Christians should answer objections to the faith.
http://www.cmfnow.com/articles/pa100.htm
Apologetics in Practice
Practical apologetical strategies for defending the faith, discussing Bertrand Russell's essay "Why I am Not a Christian" as an example.
http://www.cmfnow.com/articles/pa103.htm
Evangelism and Apologetics
Essay discussing how these two topics relate.
http://www.cmfnow.com/articles/pa013.htm
ChristianArmour
A series of resources to help Christians defend their faith. Includes links to Bible and apologetics resources and information on false teachings as well as general advice.
http://members.cox.net/christianarmour/CAfrontpage.html
