If you're scanning B&W pages, bitonal TIF is much better better than greyscale. You don't need the extra shading abilities, and it makes OCR harder.
I have a Canon LiDE-30, the older version. I haven't figured out how to do multipage Tifs (haven't much tried; most of what I scan on it is single pages), but that or PDFs would be better than jpgs. Also, you should be able to crop your scanning area to just the page itself, and not get all the extra space around it.
There are batch-crop programs for images, but they're all fairly complicated. Photoshop has batch processes that will do it. So does Acrobat--if you combine the pages into a PDF, you can use Acrobat Pro (or various freeware programs) to crop the pages, and then rotate half of them.
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