Recommended Reading:
Apologetics at The Cross, by Joshua D. Chatraw & Mark D. Allen
Everyday Church, chapters 4-5, by Tim Chester & Steve Timmis
Apologetics to The Glory of God, by John Frame
What Is The Gospel?, by Greg Gilbert
The Reason for God, by Tim Keller
Mere Christianity, by C. S. Lewis
Generating Hope, by Jimmy Long
8 to 15: The World Is Smaller Than You Think, by Tom Mercer
Evangelism and The Sovereignty of God, by J. I. Packer
The Art of Neighboring, by Jay Pathak & Dave Runion
Desiring God, chapter 9, by John Piper
Let The Nations Be Glad, by John Piper
Out of The Saltshaker, by Rebecca Manley Pippert
The Externally Focused Church, by Rick Rusaw & Eric Swanson
Evangelism, by J. Mack Stiles
Christianity Explored, by Rico Tice & Barry Cooper
Recommended Apps & Websites:
https://www.thegospelcoalition.org/?s=evangelism
A collection of Gospel-centered blog posts on Sabbath and rest.
https://www.bethinking.org/
Searchable apologetics database
https://rzim.org/
Homepage of leading voice in modern apologetics, Ravi Zacharias