I haven't had a chance to read Sokal's Beyond the Hoax, but here's a blurb from the publisher:
In 1996, NYU physicist Sokal published a paper entitled Transgressing the Boundaries: Toward a Transformative Hermeneutics of Quantum Gravity in an academic journal. Shortly thereafter, and to great furor, Sokal reported that his paper was a parody of postmodernism. This collection of 10 essays, six of which have been previously published, expands upon the central ideas of that academic joke. Sokal demands a respect for evidence and attacks postmodernists, fundamentalists and the muddle-headed of all political and apolitical stripes. The opening chapter presents the original hoax paper in its entirety, with the addition of annotations describing how he came to write it and explaining all the inside jokes. In subsequent chapters, Sokal explains how postmodernists confuse truth with claims of truth, fact with assertions of fact, and knowledge with pretensions to knowledge, and demonstrates how pseudoscientists have adopted a similar perspective.