In fact, it is not reliable to learn from others, because everyone has different ideas. The same method was summed up by others themselves. What suits him may not suit you. The most important thing is to build a trading system for yourself through learning, so that you can use it for a long time. When it comes to e-books, there are actually many websites or forums. There is a Yu Hui forum on Yu Hui International website, which contains many e-books on foreign exchange introduction, which can be downloaded for free.