Reading books on the matter is not necessarily a bad choice. Yes, there is a lot of information online, but a lot of its sources are questionable. You don't know how well it's been vetted and by whom. Books by reputable authors that have gone through an educated editor can be very helpful.
this post seems to be quite outdated, there are a lot of good books out there but if you want to have a little bit of convenience you can switch to eBooks instead (https://www.itrader.com/en/page/ebooks) , so you can read using your mobile device or gadgets wherever you are.
HIGH RISK WARNING: Foreign exchange trading carries a high level of risk that may not be suitable for all investors.
Leverage creates additional risk and loss exposure. Before you decide to trade foreign exchange, carefully consider your investment objectives, experience level, and risk tolerance.
You could lose some or all of your initial investment. Do not invest money that you cannot afford to lose. Educate yourself on the risks associated with foreign exchange trading, and seek advice from an independent financial or tax advisor if you have any questions.
Any data and information is provided 'as is' solely for informational purposes, and is not intended for trading purposes or advice.
Past performance is not indicative of future results.