You get the most up to date info on this forum. -- SEO books may tell you to buy high PR links. -- Google just don't want you to buy them. (That is latest) And you find that kind of info/discussion on DP -- Latest to the second. So, you may have to find the info but all the info is available on DP
The basics of SEO (which people need to learn before doing anything else) hardly ever change, and is what I suggest people focus their efforts on rather than chasing after the next demented trick the way a dog chases after its own tail. Actually, the most comprehensive free resource I've found so far on SEO has been right here: http://www.sitepoint.com/forums/showthread.php?t=182915
Consider checking out this link http://www.a2zseo.com. http://www.seo-guy.com also has a good tutorial.
you can try this download ibp software & in help menu you can dowload their free ebook about seo, link below http://www.ibusinesspromoter.com/optimize/seo-ebook.htm enjoy
Digitalpoint is like grade school for SEO. Once you're ready for more go to DigeratiMarketing.co.uk, earnersblog.com etc. Stop reading, and start doing. Then when you're finally ready to go to SEO college check out Niakaramandougou.