What is the Gospel?
Gospel explanation at Got Questions.org
What does it mean that God draws us to salvation at Got Questions.org
What is the plan of salvation at Got Questions.org (audio)
How to know God at blueletterbible.org
General explanation by John Piper
What is the Gospel by R. C. Sproul
What is the Gospel by Matt Slick
What is the Gospel from 9Marks
What is the Gospel from Bible.org
What is the Gospel by John Hendryx
What is the Gospel from illbehonest.com