The Tactics Ladder - Intermediate III: 500 Chess Puzzles, 1600 Rating Level, 2nd Edition Paperback $9.99
The Tactics Ladder - Intermediate I: 500 Chess Puzzles, 1200 Rating Level, 2nd Edition Paperback $9.99
The Tactics Ladder - Intermediate II: 500 Chess Puzzles, 1400 Rating Level, 2nd Edition Paperback $9.99