Volume 1: Arithmetical & Algebraical Problems
Number puzzles, arithmetic challenges, and algebraic problems.

Volume 2: Geometrical, Dissection & Spatial Problems
Geometric puzzles, dissections, and spatial reasoning challenges.

Volume 3: Route, Combination & Game Puzzles
Mazes, route-finding puzzles, combinations, and strategic games.

Volume 4: Chessboard & Chess Puzzles
Chessboard problems, chess puzzles, and related challenges.

Volume 5: Magic Squares, Paradoxes & Recreational Problems
Magic squares, paradoxes, curiosities, and miscellaneous puzzles.