What is the most logical next event?

How to find study material online
Decide what you are looking for.
Is it a book you want to download or just some kind of information on a particular topic or answer for a particular question? Your search query depends on what you need.
Search for what you need on a search engine.
Search results depend on the keywords you use in search query. If you are looking for a pdf book, you can use the operator filetype: pdf along with your keywords.