DIY Book Scanner

Hi Bruce and thanks for your suggestions; I've scanned about 400 books in six months with the Plustek and most of the results have been okay - every so often I get a book which has been compiled with very tight margins and they have been a problem, otherwise new books seem to get better results than...

I've got a project of scanning my library - about 4,000 books and I'm using the PDF option to create files; I've set the parameters for Color - 150dpi; gray - 250 dpi & black&white 330dpi - I want to create as good an image as I can get to get a smaller PDF file but have the correct dpi to g...