Books by Barry R. Clarke
Newton's Puzzles
Newton's Puzzles
Mathematical Conundrums
Mathematical Conundrums
Vortex Atom
Vortex Atom
Brain-Stretching Logic Puzzles
Brain-Stretching Logic Puzzles
Francis Bacon's Contribution to Shakespeare
Supergenius Logic Puzzles
Supergenius Logic Puzzles
Quantum Puzzle
Quantum Puzzle
Quantum Puzzle, the
Quantum Puzzle, the
Extreme Logic Puzzles
Mathematical Puzzles and Curio
Mathematical Puzzles and Curiosities
The Shakespeare Puzzle
Brain Busters! Mind-Stretching Puzzles in Math and Logic
Coz Bakalim
Puzzles for pleasure
Test your puzzle power