That's a big can of worms. iBooks are assembled out mined materials and in factories that also have an impact on the environment. And think about the conditions

That's a big can of worms. iBooks are assembled out mined materials and in factories that also have an impact on the environment. And think about the conditions for the workers. The conditions in a paper mill in the American northwest are much better than an Apple factory in China. So I guess it depends on what you consider more important, and what you want to support.