> Just being a little hopeful here, is the text possibly being covered
> by the sketch now? You won't be able to "see through" anything if a
> image is on top of something else. if not, make sure you scroll over
> to the right and left and up and down as far as possible -- sometimes
> my screen gets shifted and I don't realize I'm now working off to the
> right, and the rest of the page is now to the left of me. Or maybe
> your work got shifted off to the right and down where you can't see
> it.
>
> If not, MAYBE a backup was made at an intermediate stage of your
> work, check "file" "open backup". Those are all my ideas.