Book on writing help files?

[Mark Messer]

We are starting to write the help file for our app. We saw the help compiler and the VC++ help for it. But it is pretty sketchy (Oh, the irony).

Does anyone know of a book or web site that explains this stuff? We don't want to buy RoboHelp.

[Saeed R]

Programing Visual C++ 5th ed by D j Kruglinski
Chapter 21 talks about how to do your help file
using MS utility hcrtf...