Third-party grading services like CGC Comics will assess the condition of your books (for a price). CGC uses a 10-point grading system, with various subgrades. At the bottom of its scale is Poor ...

For context, I’ve always been a very casual comic book fan. I have Comixology and Shonen Jump installed on my iPad mini, but I often go weeks or months without touching either. It’s not a lack of ...