Revelation book recommendations   

The Sermons to the Seven Churches in Revelation (Jeffery A.D. Weima) 

Understanding the Seven Churches of Revelation (Dr. Jonathan Welton) 

Unholy Allegiances (David deSilva) 

Apocalypse and Allegiance (J. Nelson Kraybill) 

The Letters to the Seven Churches of Asia (Colin J. Hemer) 

Revelation (Interpretation Commentary Series) (Eugene Boring) 

A Slaughtered Lamb (Gregory Stevenson) 

Reading Revelation Responsibly (Michael J. Gorman) 

The Triumph of the Lamb (Dennis E. Johnson) 

Revelation (G.K. Beale)

and More