Super-fast processors, streamlined Internet access, and free productivity and entertainment apps make Apple’s new iPads the hottest tablets around. But to get the most from them, you need an owner’s manual up to the task. That’s ......

Super-fast processors, streamlined Internet access, and free productivity and entertainment apps make Apple’s new iPads the hottest tablets around. But to get the most from them, you need an owner’s manual up to the task. That’s ......