Life In 19x19

If you can't wait and want mostly territory counting, read Cho's Positional Judgment High-Speed Game Analysis m
If you can wait two or three months, the good news is that I just happen to write a detailed book on positional judgement and evaluating territory, thickness, influence, options, endgames ...

I'd like to work on my counting skills. In particular, to practice precise counting so I can more easily do approximate counting in games.

Is there a practice resource available for this? For example - show a group/board, you count then it shows you or you pick the answer. Like goproblems.com but ...