C. Fields, and Woody Allen."Jokes, paradoxes, riddles, and the art of non-sequitur are revealed with great perception and insight in this illuminating account of the relationship between humor and mathematics."—Joseph Williams, New York Times"'Leave your mind alone,' said a Thurber cartoon, and a really complete and convincing analysis of what humour is might spoil all jokes forever. This book avoids that danger. What it does. . .is describe broadly several kinds of mathematical theory and apply them to throw sidelights on how many kinds of jokes work."—New Scientist"Many scholars nowadays write seriously about the ludicrous. Some merely manage to be dull. A few—like Paulos—are brilliant in an odd endeavor."—Los Angeles Times Book Review

    A Slip of the Keyboard brings together for the first time the finest examples of Pratchett's non fiction writing, both serious and surreal: from musings on mushrooms to what it means to be a writer (and why banana daiquiris are so important); from memories of Granny Pratchett to speculation about Gandalf's love life, and passionate defences of the causes dear to him.With all the humour and humanity that have made his novels so enduringly popular, this collection brings Pratchett out from behind the scenes of the Discworld to speak for himself - man and boy, bibliophile and computer geek, champion of hats, orang-utans and Dignity in Dying.

    It can give us an understanding of lives very different from our own, and a sense of the shared joys and losses of human experience." Readers will discover novels and memoirs by some of the most gifted writers working today; favorite classics worth reading or rereading; and nonfiction works, both old and new, that illuminate our social and political landscape and some of today’s most pressing issues, from climate change to medicine to the consequences of digital innovation. There are essential works in American history (The Federalist Papers, The Writings and Speeches of Martin Luther King, Jr.); books that address timely cultural dynamics (Elizabeth Kolbert's The Sixth Extinction, Margaret Atwood's The Handmaid's Tale); classics of children's literature (the Harry Potter novels, Where the Wild Things Are); and novels by acclaimed contemporary writers like Don DeLillo, William Gibson, Chimamanda Ngozi Adichie, and Ian McEwan.With richly detailed illustrations by lettering artist Dana Tanamachi that evoke vintage bookplates, Ex Libris is an impassioned reminder of why reading matters more than ever.