[jw-]

I'm hoping to publish my book on Amazon starting next month.

In my book, I have chapter pictures. That is; each chapter starts with a picture above the chapter heading. The pictures are landscape format, and intended to fill the top 40% of the chapter page; i.e. just over 1/3 of the page.

I'm checking the conversion on an Android Phone running Kindle. I also have access to a Kindle Paperwhite.

I'm having trouble getting the pictures to be large on the device. I want it to be edge to edge on the device if possible, or at least 1/3 of the page if possible. I've tried the following:

1. Making the picture very large.
2. Making the picture 72 dpi and 300 dpi
3. Aligning the picture different ways in MW-Word
4. Changing caliber input and output formats
5. changing caliber MOBI output from Old to Both to New. (Both and New don't work on the Kindle, however.)
6. Changing from PNG to JPG format

In my book there are 37 chapters, so the pictures are a big deal. I hate to have them shrunk to a small size when they are such an important part of the book.

I have Sigil. I've heard I might have to format to EPub, use Sigil to replace all 40 pictures, and then... ? That seems a lot of processing.

TIA