I am - I've finished the introduction to scripting - moderating use, advantanges, disadvantages etc. but I don't think it'll be my final copy as it still needs a bit of work.
Sorry, bad wording (Again); as for error handling I meant using .htacess for error handling (404s etc.) - maybe put it in with the linkrot section? I would be glad to write a section on .htaccess and...
Sorry, bad wording; I'm asuming that you'd have to have the walkthrough organised/split up into chapters/sections or whatever. I was just suggesting a topic for a section.
There's a few good points in the previous posts - what people need is a good way of learning; Books are out because most people program crappy code because they don't want to spend money on something...
I think I'll go for the PHP method (No offence) becuase I'm pushing my limit on script size and this way it'll give faster load times/save me bandwidth for non IE users.
I've never used sessions extensively, but to keep the session alive on the user's end, you have to pass along the PHPSESSID through the URL or in a cookie.