Romans (all) How we are made righteous (right-us) in our relationship with God

2 Corinthians (all) Paul gets defensive, pushy, and sarcastic trying to protect the message he had given to the Corinthian believers from being distorted by flashy "peddlers"

1 Corinthians (all) -- 18 questions/issues this church had, and Paul's answers/instructions for how these should be addressed

Acts 18:23-21:14 - Paul turns Ephesus upside-down while using it as a church-planting hub for reaching Asia

1 and 2 Thessalonians -- Paul's lavish encouragement to faithful believers with questions about the return of Jesus and how to live 'til he comes

Acts 16-18:22 - Taking the Gospel to Macedonia and Greece with Silas (and Timothy and Luke and Priscilla and Aquila)

Galatians (all) Paul's angry letter about distorting the Gospel of GRACE

Acts 15 -- What Christians should do and what they MUST do (to be Christians at all)

Acts 13-14 -- Taking the Gospel to Asia Minor with Barnabas

Acts 10-12 -- Peter's work for Jesus before fading to the background