57 books • 9 series
100 Puzzles with Discovered Attack and Discovered Check
100 Chess Checkmates Puzzles in One Move
Practical Chess Exercises for Beginners
100 Chess Exercises with Fork, Pin and Skewer in Two Moves
Chess exercises for kids
100 mate in two chess puzzles, inspired by GothamChess
100 mate in one chess puzzles, inspired by GothamChess
50 mate in one + 50 mate in two chess puzzles
100 mate in two chess puzzles, inspired by Hikaru Nakamura games