To find screen warmth from the library screen, tap the three dots (top right), then choose Settings > Screen and brightness > Brightness and warmth. You can even activate the Warmth schedule option, ...

This article was taken from the November 2011 issue of Wired magazine. Be the first to read Wired's articles in print before they're posted online, and get your hands on loads of additional content by ...

We may receive a commission on purchases made from links. If your big problem with ebooks is not remembering which book you're in the middle of – or not getting to leave the book out so that other ...