I agree - EIA2 is out now as an ebook and imo you can’t beat professionally published books - EIA in particular is a fantastic book (and don’t forget you can get 35% off any ebooks from Manning and PragProg with your forum code - as per Peer’s screen grab above - just go to their threads here for details).
If not, here are some other free resources that might interest you:
(and don’t forget you can get 35% off any ebooks from Manning and PragProg with your forum code - as per Peer’s screen grab above 
- just go to their threads here for details).
