The 5 Best Books About Chess Openings

By The Spruce
Back to Basics: Openings (Carsten Hansen)
"Best for Beginners"
The Kaufman Repertoire for Black and White (Larry Kaufman)
"Best for Counters"
Secrets of Opening Surprises (Jeroen Bosch)
"Best for Surprises"
Chess Opening Essentials (Stefan Djuric, Dimitry Komarov, Claudio Pantaleoni)
"Best In-Depth"
Dismantling the Sicilian (Jesus de la Villa)
"Best for Sicilian Opening"