Most textbooks are cumbersome to carry, expensive to buy, difficult to read, and boring. They have no plot, no characterization, no suspense, no climax. What they have are facts. If Dragnet's Sgt. Friday were Scientist Friday, the script wouldn't be much different- "just the facts, ma'am." Students can't escape textbooks. But like death and taxes, they are necessary evils. of old ideas makes room for new ones. Death makes room for new people and the...