The Bogotá Puzzles
BERNARDO RECAMAN
Hidden Connections and Double Meanings
David Wells
Mystifying Mathematical Puzzles
Joseph S. Madachy
Mathematical Puzzles and Curiosities
Barry R Clarke
Geometric Magic Squares
Lee C.F. Sallows
Puzzles and Paradoxes
T. H. O’Beirne
Tangrams
Ronald C. Read
Take a Number
Lillian R. Lieber & Hugh Gray Lieber
Contemporary Brainteasers
Terry Stickels
536 Puzzles and Curious Problems
Henry E. Dudeney & Martin Gardner