I just finished perusing your work. I lol'd (in a good way!) seeing all those old Monster Manual pics. (And lol'd harder at the more unique additions like real pictures of jaguars, screen captures from Clash of the Titans, etc.) I love it.
If you want some feedback, I'd say the following:
1) Add page numbers
2) 'Fix' the excel borders to be uniform for all cells. Or, better yet, simplify the tables to eliminate borders and (possibly?) shading. Left justify text, right justify numbers. It will help the tables 'fit' in.
3) I don't have a copy of Magic World, but I am wondering if all the spells listed for some of the tougher baddies (Asmodeus, Demogorgon, etc.) are fully fleshed out and available in the core mechanics?
4) Some of the tables are overlapping descriptions. Not many, but some.
5) Align tables when it makes sense to do so.
Hope that list isn't too frustrating since I haven't added specific page numbers and you may wonder wtf I am talking about. Apologies for that....I saw your request and took a really quick look to make sure your efforts received feedback.