Unfortunately, there isn't a Haynes manual for the build of the Honda bits, (or wasn't last time I looked).
I have got a copy (electronic) of the Honda workshop manual though, which is really good, well illustrated and pretty thorough, if you pm me with you're contact details I'll post you a disk with it on.
The best way to approach it, if unfamiliar with similar projects, is to break it down into a series of nice bite sized tasks and smaller jobs. The new style manual features more of this approach, which is good to see!
If you have a whole weekend to devote to the build, (for example), try and plan to complete a mix of tasks - don't set yourself insane deadlines, and don't aim to do a whole weekend of difficult, fiddly stuff. Likewise, don't aim for a whole weekend of "simple" stuff. Try and keep a mix of things going on.
Use the easier, very productive feeling jobs as a break from the ones that seem to have you spending hours doing little!
So for instance, if you've spent ages wrestling wiring looms into place, have a break, go and paint the diff!, or the engine or whatever.
When you've had your fill of lining up bodywork, don't press on regardless, go and fit your dashboard with all the switches and instrument(s) etc. You'd be amazed how just doing another little job for an hour or two, recharges you so that you can get back on with the slightly harder stuff.
Try if you can, to end a days building on a high, so that when you look back on the car you see progress!