Murderous Maths: Algebra the Phantom X - Tapa blanda

Is maths making you miserable? Are you alarmed by algebra and flummoxed by formulas? Do equations make you quake? Look no further: The Phantom is here to banish algebraic agony for good. Find out what Grizelda the Grisly buys on a shopping trip to the Slaughter-o-Mart, face another diabolical challenge from Professor Fiendish, and enter the Murderous Maths testing laboratory in the disturbing disguise of a Pure Mathematician. Meanwhile, the gangsters discover that, sometimes, x = a big, fat nothing.