Campus bookstores hate the idea, and even some college students are skeptical of the new effort by a former California lawmaker to help them save money on textbooks for hundreds of classes on nearly every campus from Alabama to the Yukon Territory. It's a free price-check that lets students compare textbook prices and rentals, and buy from the source they like best. The new online tool comes from former state Sen. Dean Florez, president of the 20 Million Minds Foundation in Sacramento, which lobbies for low-cost textbooks and is behind legislation, SB1052, to create a low-cost digital textbook library in...