Most magazines have a lot of pictures. Choose some pictures and describe what you see in them, out loud or in writing. You can find more ideas on how to learn using pictures in this article.
If you want to try reading more difficult books, it might be easier if you read a translation first. You might be surprised by the large number of English books that have been translated into Japanese. In many cases, the library will have both versions. For example, you could read Michael Sander's Justice in this way.