Isaiah is maybe THE classic at the Overlook and usually acknowledged by most climbers as a wonderful route. The route is located on the left end of the wall, just right of the obvious Trinity Cracks. Three possible starts put you on top of a pedestal and the main crack. The standard direct start is .10a. Tricky, awkward moves on thin hands, up through a pod and then up to the top via overhanging jams and face holds. Belay from large, squat tree on top.
There is an old pin before you start the splitter. Do not rely on this pin as protection.
Nuts and cams from 1/2" up to #3 Camalot size. If you're doing the uber stiff 5.10+ start to the left, you'll need smaller stuff.