536 Puzzles and Curious Problems Parsifal is Wagner's last opera

Parsifal is Wagner's last opera and one of his finest

"Should win a place in courses on modern literature and women's studies

the Christoffel-Darboux formula

books on drama classes

536 Puzzles and Curious Problems Parsifal is Wagner's last operaFor two decades, self taught mathematician Henry E. Dudeney wrote a puzzle page, "Perplexities," for The Strand Magazine. Martin Gardner, longtime editor of Scientific American's mathematical games column, hailed Dudeney as "England's greatest maker of puzzles," unsurpassed in the quantity and quality of his inventions. This compilation of Dudeney's long inaccessible challenges attests to the puzzle maker's gift for creating witty and compelling