ALEKHINE'S DEFENCE by Nigel Davies

Nigel is on a run of success, and this continues it. Many might think Alekhine’s Defense is unsound, but Nigel proves them wrong. (1400 on up)

PIRC ALERT! by Alburt & Chernin

A monster (448-page) book on the Pirc that gives lots of prose, summaries, and tests. A serious book for serious Pirc addicts. (1400 on up)

STARTING OUT: THE PIRC/MODERN by Joe Gallagher

Want to learn this interesting system? If so, this is the way to go. Yes, there are all the variations you could ever want. But there’s also explanations, ideas, and plans. (1200 to 1900)

THE ULTIMATE PIRC by Nunn & McNab