This is a very difficult task. There is no chance that you can read any of his books online. Not at least on websites that are legal. But there are a few pirated websites on the Internet that provide you with information about his books and the content in chapter forms. These websites are illegal and it is a crime to be visiting them even. Hence do not be taking chances and visit such sites as you can cause legal issues revolving around you and your family. You will be in deep trouble if you do so. When you visit these websites,maybe the people on the website get access to your computer and to your files. Books are very cheap and easily available. They just cost a few dollars and you will be able to buy them at all bookstores.
