Originally Posted by ATimson
I think the extra flashing isn't at the chapter change, but rather when there's a page with an image (if it's text-only, it withholds the flash; if there's an image, it always flashes). It's simply that most books have an image in their chapter header.
You are probably right, I haven't seen any flashing on chapter breaks, but my books didn't have any images on the first chapter page. However, on the very first pages of the book there were some images (copyright logos and that stuff) and it kept flashing on each page.