Thanks again, immensely!
To everyone else, apparently the formatting is probably NOT necessary - if you've been charging the PRS-505 with USB charger instead of a computer. Plug it in to the computer. If it is dead, it will power up soon and you will see the drives. leave it in this state all night. (I don't know how long a charge takes since there is no "charging" indicator.
I did the above - after realizing from this and another thread that a faulty book didn't crash it, rather a dead battery was my problem - and it is back in good order, with a full battery.
pp
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