<p>"Disknowledge": knowing something isn''t true, but believing it anyway. In <i>Disknowledge: Literature, Alchemy, and the End of Humanism in Renaissance England</i>, Katherine Eggert explores the crumbling state of learning in the sixteenth and seventeenth centuries. Even as the shortcomings of Renaissance humanism became plain to see, many intellectuals of the age had little choice but to treat their familiar knowledge systems as though they still held. Humanism thus came to share the status of alchemy: a way of thinking simultaneously productive and suspect, reasonable and wrongheaded.<br/>Eggert argues that English writers used alchemy to signal how to avoid or camouflage pressing but discomfiting topics in an age of rapid intellectual change. <i>Disknowledge</i> describes how John Donne, George Herbert, Henry Vaughan, John Dee, Christopher Marlowe, William Harvey, Helkiah Crooke, Edmund Spenser, and William Shakespeare used alchemical imagery, rhetoric, and habits of thought to