Here are five trading books currently free on Amazon Kindle:

Everything You Need to Know About Trading: Tools, Strategies, Automation and More

Stock Investing Successfully for Beginners

How To Invest: Simple Strategies To Grow Your Stocks, ETF’s, and Futures

Stock Trading: Tips for Trading Stocks – From Stock Trading For Beginners To Stock Trading Strategies

Buy Low Sell High: Buying Stocks for Long Term Investing