The help section of PyDebug is drawn from many web sites and included as a starting point for programmers and learners who do not have continuous access to the internet. It includes useful information and documentation.
One of the most useful sources of information is the python programs themselves that exist on your XO. The XXX icon on the help page starts up a local html server called pydoc. This will give you summary information and how to interface with all the sugar programs.
For people who have some knowledge of programming, but are new to python, the "DIVE INTO PYTHON" is a short introduction to the python programming language.