In text ad networks are really good for monetizing a blog. Because, they don't need any ad space like Adsense.
What are In text ads ?
In-text ads are ads which don't consume any space like banner. They are like Hyperlinks in the middle of the content. For example, If you write about " Seo ", one of the word in the blog post will automatically get converted into Hyperlink. When someone, moves his cursor on the hyperlink, A banner realted to the keyword will appear and if anyone clicks on that, You will get paid.
Here is the article on 15 Best In-text ad networks for bloggers from HellBoundBloggers.
Read the blog post and start making money.