A:AnswerYes you can download ebooks both online or by saving it to iBooks or via the Apple store. As far as night reading goes, the level of light would be a matter of personal preference. I would suggest trying it in store to see if the levels are low enough to meet your needs
A:AnswerIf you are in a place that has wifi it is free but if you're traveling then you'll have to use your data which will cost a monthly fee around $20.00 with the provider such as AT&T or Verizon.
A:AnswerUse it all day. Works great! If youre a hardcore designer and want to create huge layers with crazy detail, you might want to look into the more ram space.