Can anyone suggest a good resource URL/pdf or a book which explains how to develop applications for S60 2nd Edition FP2 using .Net IDE (i hope method remains common across the symbian SDK)

I found

but this also takes Visual Studio IDE as the reference IDE to explain. Could not understand many of the things..

I need something which explains various files created by wizard and what are the important section of the symbian codes, where is the heart of the application .....