What is Christianity?
Consider the claims of Christianity via C.S. Lewis's "What Christians Believe" found in his classic Mere Christianity
When done reading / watching / listening, 'Check Your Knowledge' for each chapter with a few basic questions.
Complete the Mere Challenge Survey.
WHAT CHRISTIANS BELIEVE
"Christianity is a statement which, if false, is of no importance, and, if true, of infinite importance. The one thing it cannot be is moderately important."