I was looking for way to help younger students (about 2nd grade or so) understand how to look for the Non Fiction book topics they want. I came across this video on YouTube that I think breaks it down a little with fun illustrations that might hold their attention and get them to think about it a little. I will still probably pause it as we watch it to talk more about each 100's section, but it is a neat little clip to get the conversation going better than just me standing and talking to them about numbers! Here is the video:
How do you teach your kids to find books?