Why should we care about science books?

part of The role by scientific publications in science communication

Why should we care about science books? After all, we live in a "new media" world where students, researchers, and the public use the World Wide Web for all their information needs. Cutting edge research appears on "preprint archives" or "open access" online journals, text"books" appear as online sites with interactive presentations and links to presentation, for creating public discussion and dialogue, and even for archiving current research. In that kind of world, what’s the purpose of looking at "old fashioned" books?