1, 2, & 3 John

With the Word: The Chapter-by-Chapter Bible Handbook

Mark

Be Loyal (Matthew): Following the King of Kings

Acts

Jon Courson's Application Commentary: Volume 3, New Testament (Matthew - Revelation)

Galatians

The Story of Jesus: Study guide (for adults) with commentary (HJ-Eng)

1 & 2 Peter and Jude

The Book of Acts

Revelation

Ephesians

Jesus, Contradicted: Why the Gospels Tell the Same Story Differently

James

Be Courageous (Luke 14-24): Take Heart from Christ's Example

John

Be Transformed (John 13-21): Christ's Triumph Means Your Transformation

Hebrews

The Life of Christ