A new and very nice 100 page (!) PE (Portable Executable) tutorial, from a reverser's perspective:

http://www.codebreakers-journal.com/viewarticle.php?id=74&layout=abstract

"This tutorial aims to collate information from a variety of sources and present it in a way which is accessible to beginners. Although detailed in parts, it is oriented towards reverse code engineering and superfluous information has been omitted."

It has been here for 5 months allready ...

Portable Executable File Format Compendium V11 By Goppit
File Dated
24-05-05

hxxp://tutorials.accessroot.com/

Hehe, ok, it was announced as new somewhere else, and I didn't double check that. But anyway, I didn't see it linked on this board before, at least as far as I can remember.