@miran sorry for late reply, cause an image worth thousand words here are the images.
[Images Gallery](https://postimg.cc/gallery/2ikttr5ei/) regarding TOC, I meant navigating through TOC using Kindle Go to option in the Toolbar. Normally it should list all the heading and subheading of the book. The following is the image of Go To option on my paper white: > Thank you for your kind words :) Who knows, maybe in 2020 I manage to write a > sequel ;) It would be great to see a **NIM for dummies** in 2020. :)