Thought I would share this, which I'm sure you all have already considered, but in case you hadn't...of course any ereader could do this but the small size of the JBL in fitting in a coat pocket helps...
Being blind, (and err umm broke, couldn't afford an ereader and a gps) I have difficulty in getting around, especially when getting out of the suburbs and into the "city" where the street signs hang over the streets/traffic and I have difficulty in seeing them... or they do not have street signs at every intersection
But I also want to try and be "independent" and not run to a friend to get to a new appointment every time...
So I use my favorite internet map site, use the get directions feature set to the walking or public transportation mode and take a screen shot, crop etc then export the image to the JBL and I have a reference that really helps
Before I had the JBL the map site really saved me, I was going from memory (not always a good idea doh) and was thoroughly lost but having used the map sites traffic (or satellite?) version of my route really blown up, I had noticed a parking lot where the cars came right up to the sidewalk, no "bumper stones" or grass just bam right to the sidewalk, and that visual cue let me find my way, so if you know a low vision person who is trying to retain their mobility, suggest that they scout their route thoroughly beforehand (then put a picture of it in their JBL!)
and yes I could print the map but remember broke
ink = $ and stored in the JBL will not get wrinkled etc