Start with high-confidence new testament commentary books, then narrow by subgenre or adjacent topics.
New Testament Background
Charles K. Barrett, Charles Kingsley Barrett
The New Testament for Everyone, Third Edition, Hardcover
N. T. Wright, Tom Wright
The New Testament
Everyman's Library, John Drury
The Westminster Study Bible
Westminster John Knox Press
The New Testament in Color
Esau McCaulley, Janette H. Ok
The IVP Bible Background Commentary: New Testament
Craig S. Keener
The Living Bible
Tyndale, Anonymous
Richmond Lattimore
The Passion Translation New Testament HC Ivory
Brian Simmons
New Believer's New Testament NLT (softcover)
New Living Translation, Tyndale
The Message New Testament With Psalms and Proverbs (softcover)
Eugene H. Peterson
Ignatius Catholic Study Bible: New Testament
Scott Hahn, Anonymous
Renner Interpretive Version: James and Jude
Rick Renner