I'd never propose that book burning is OK. But what if we're talking ebooks?
Made of wood to prove some sort of point that we totally get, but because we understand it so well, we'd feel embarrassed explaining, the Amazon Kindling is the only wooden, wireless reading device on eBay today. Sure, a paper book might hold more pages, but paper makes for a short-lived campfire...though secondhand Danielle Steel paperbacks are probably in better supply these days than actual trees. [eBay and Evil Mad Scientist and cockeyed via Treehugger]