The simple book of not-so-simple puzzles /

The world's most challenging puzzles /
by: Townsend, Charles Barry
Published: (1988)

Puzzle me this ; a book of new enticements for puzzle enthusiasts /
by: Kaplan, Philip, 1917-
Published: (1968)

Challenging lateral thinking puzzles /
by: Sloane, Paul, 1950-
Published: (1993)

Puzzles and teasers /
by: Scripture, Nicholas E.
Published: (1970)

Creative puzzles of the world /
by: Delft, Pieter van, et al.
Published: (1978)

World's toughest puzzles /
by: Townsend, Charles Barry
Published: (1990)

The puzzle instinct : the meaning of puzzles in human life /
by: Danesi, Marcel, 1946-
Published: (2002)

The puzzle instinct : the meaning of puzzles in human life /
by: Danesi, Marcel, 1946-
Published: (2002)

My best puzzles in logic and reasoning.
by: Phillips, Hubert, 1891-1964
Published: (1961)

Critical thinking puzzles /
by: Dispezio, Michael A.
Published: (1996)

Sliding piece puzzles /
by: Hordern, Edward
Published: (1986)

Great critical thinking puzzles /
by: Dispezio, Michael A.
Published: (1997)

Mathematical puzzles of Sam Loyd /
by: Loyd, Sam, 1873-
Published: (1959)

2nd miscellany of puzzles : mathematical and otherwise.
by: Barr, Stephen
Published: (1969)

The Old farmer's almanac Book of old-fashioned puzzles for all the family /
Published: (1976)

Puzzles from other worlds : fantastical brainteasers from Isaac Asimov's science fiction magazine /
by: Gardner, Martin, 1914-2010
Published: (1984)

So you think you're smart : 150 fun and challenging brain teasers /
by: Battaglia, Pasqual J.
Published: (1988)

Wit-sharpeners : Puzzles and teasers /
by: Scripture, Nicholas E.
Published: (1970)

Think again ; puzzles and problems to please and perplex.
by: Prout, William Leslie
Published: (1958)

Check your wits! : Games, puzzles and fun for all the family /
by: Leopold, Jules
Published: (1948)

Literature puzzles for elementary and middle schools /
by: Veitch, Carol J., 1942-
Published: (1983)

More literature puzzles for elementary and middle schools /
by: Veitch, Carol J., 1942-
Published: (1986)

Barrel of fun : a stunt book...chockfull of jokes and riddles and puzzles, tricks to try, things to make, stunts to do /
by: Preston, Edna Mitchell
Published: (1957)

Chinese brain twisters : fast, fun puzzles that help children develop quick minds /
by: Baifang, 1956-
Published: (1994)

Enigmas de las pirámides : misteriosos rompecabezas por resolver! /
by: Weber, Belinda
Published: (2002)

More Chinese brain twisters : 57 fast, fun puzzles that help children develop quick minds /
by: Baifang, 1956-
Published: (1999)

Treasure : in search of the golden horse, a puzzle /
by: Dr. Crypton, 1956-
Published: (1984)

Hard-to-solve brainteasers /
by: Poniachik, Jaime
Published: (1998)

The little giant encyclopedia of IQ tests /
by: Carter, Philip J.
Published: (2000)

Ejercicios de inteligencia asociativa /
by: King, Lloyd
Published: (1997)

Games you can't lose!.
Published: (1977)

The curiosity book : a book of wonders for the wonderful eyes of the world's wonderful boys and girls /
by: Woolston, Clarence Herbert
Published: (1922)

Nearly impossible brain bafflers /
by: Sole, Tim
Published: (1998)

Boiling water in a paper cup : and other unbelievables /
by: Meyer, Jerome S. (Jerome Sydney), 1895-1975
Published: (1970)

Mental gymnastics /
by: Sullivan, John A., 1931-
Published: (1972)

Mind-stimulating activities /
by: Mohan, Madan
Published: (1979)