Education occurs most often in "real life" by becoming involved and learning the details as time progresses. Although there are several books on the topic, some so-called "how-to" or "silver bullet" books instruct readers to manipulate holes in the Google algorithm, which can quickly become out of date, or suggest strategies no longer endorsed or permitted by advertisers.
There are loads of resources for making money online as an affiliate. You could source products from ClickBank, Commission Junction, Rakuten Marketing, Share-a-Sale, Impact Radius and many others. Plus, many of the larger companies have their own affiliate programs as well. Do your due diligence and find the right company with a relevant product or service to your audience that you can sell as an affiliate.
The No Cost Income Stream is geared toward IM newbies, but it is also great for those with established online businesses. It’s especially great for those who have no money for investment. While it costs $37 to get started with the program, everything after that is completely free. This package is great for you if you want to learn some online marketing basics, but you should know that it will still take some hard work on your part.