12 books
303 Crushing Chess Tactics
Savage Chess Openings Traps
51 Chess Openings for Beginners
London 1922
Chess Mazes 1
212 Surprising Checkmates
606 Puzzles for Chess Nuts
Chess Mazes 2
Chess Opening Trap of the Day
Take and Mate
303 More Tricky Chess Puzzles
303 Tricky Chess Tactics