I find pdf's of technical books workable on an old ipad2 i keep around for this sort of thing. Not as easy as flipping to the right page of a book but i can tak

I find pdf's of technical books workable on an old ipad2 i keep around for this sort of thing. Not as easy as flipping to the right page of a book but i can take more books with me so that kind of outweighs the negative for me.