Sorry, this is a bit unorganized.. I'm just starting out on this arduous peregrination :D.. Hope to keep the momentum going.. If that happens, you can hope to see more detailed step by step, for the dummies instructions here.. But till then..
The Operating System Resource Center
Gareth Owen's OSDev site at sourceforge
Bran's Kernel Development
How to write your own OS: part 1, part 2.
Assembly Language: intel x86
The Art of Assembly Language
Linux assembly guide
Links for assembly programming