My friend, we can get great free knowledge about forex trading from the internet and we know that if we can trade with the right knowledge then only we can make a profit and will become a successful trader, I think we need to collect forex books that good from the internet and must get knowledge from them too. and I personally because in my opinion the internet becomes easy for us to find whatever article we like too, with regard to material for learning forex there are many websites that provide free education and many sites that provide free ebooks on this issue so that enthusiasm and willingness to study and practice that will make a difference.