12 books • 6 series
Understanding the Spanish
New Bogo Indian
Winning with the Scandinavian (Batsford Chess Library)
How to Play the Karo-Kann Defence (How to play)
How to Play the Ruy Lopez (MacMillan Chess Library)
Chess Exchanges
Play the Bogo-Indian
An Introduction to chess
How to Play the French Defence
Positional Chess
How to Play the Nimzo-Indian Defence (Batsford Chess S.) (Hardinge Simpole chess classics)
French Defence (The tournament player's repertoire of openings)