PREFACE
ARITHMETICAL AND ALGEBRAICAL PROBLEMS.
Money Puzzles.
Age and Kinship Puzzles.
Clock Puzzles.
Locomotion and Speed Puzzles.
Digital Puzzles.
Various Arithmetical and Algebraical Problems.
GEOMETRICAL PROBLEMS.
Dissection Puzzles.
Greek Cross Puzzles.
Various Dissection Puzzles.
Patchwork Puzzles
Various Geometrical Puzzles.
POINTS AND LINES PROBLEMS.
MOVING COUNTER PROBLEMS.
UNICURSAL AND ROUTE PROBLEMS.
COMBINATION AND GROUP PROBLEMS.
CHESSBOARD PROBLEMS.
The Chessboard.
Statical Chess Puzzles.
The Guarded Chessboard.
Dynamical Chess Puzzles.
Various Chess Puzzles.
MEASURING, WEIGHING, AND PACKING PUZZLES.
CROSSING RIVER PROBLEMS
PROBLEMS CONCERNING GAMES.
PUZZLE GAMES.
MAGIC SQUARE PROBLEMS.
Subtracting, Multiplying, and Dividing Magics.
Magic Squares of Primes.
MAZES AND HOW TO THREAD THEM.
THE PARADOX PARTY.
UNCLASSIFIED PROBLEMS.
Please note that there can be slight inadvertent errors in the text.
Henry Ernest Dudeney (10 April 1857 – 23 April 1930) was an English author and mathematician who specialised in logic puzzles and mathematical games. He is known as one of the country's foremost creators of mathematical puzzles.