Quote:
Originally Posted by ldolse
Manipulating the images is outside Calibre's scope. You'd need to unzip/explode the epub, then use some image manipulation program to give the files higher contrast, etc. One which has batch manipulation like photoshop would be helpful.
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Thanks for your advice - sounds a bit technical for me - but I will give it a try and see if I can improve the images.
Cheers,
PeteS