[stevie555]

Both of the HOH are good books, in my opponion, but i found the first one to be a bit more basic and the second one to have more useful knowledge in it (bluffs, final table considerations, Structured Hand Analysis, etc). But if you have an opportunity to read the first one for free I would recommend doing that, and if you like it, buy the second one (as it is just a continuation of the first).