There’s a lot of contradictory advice on the Web about the best sizes for eBook images. The general thought is that they should be about two times the dimensions of the device. When I read this I panicked because some of my images are defintely low-res. I created them in a hurry to get something going with inDesign and I never returned to up the resolution. And in my hurry, I’ve actually misplaced a few that need fixing. It’s true: Haste makes waste.
So, today I opened inDesign and thought, “These images aren’t actually embedded in this document — the images I see are actually linked to images somewhere on the file system. How can I find the actual images to check their size?” I did a web search with DuckDuckGo.com (the Duck doesn’t track me) for “indesign show links to embedded files” and found this Adobe resource: https://helpx.adobe.com/indesign/using/graphics-links.html. I then followed the instructions and found this screen, showing all of the source files for the images in my book. Now I can track them down and resize them if necessary.