If you go back and look at the Report 1 Assignment Sheet, I talked a little bit about this because as you read through your graphic novels (after selecting them), you should begin to start taking notes, not only for purposes of summarizing, but also to potentially analyze the graphic novel as well.
To help look a bit closer at this idea of analysis, I have included a link to a discussion of visual texts HERE.
Additionally, I have below TWO videos discussing the matter as well. The first video has a bit of material about High School standards but if you skip ahead to the 1:36 time marker it really gets into some stuff that may be helpful for you going forward. Pay attention to the ideas of “How” and “Why” that it brings up.
I hope one or both of these videos may be helpful, but if nothing else, fall back and look closely at the example of Report 1 I have for you the assignment sheet linked above to help you out with that.