This plug-in works well if you are using a gitbook-plugin-expandable-chapters. Therefore, it is not necessary if you are not using a gitbook-plugin-expandable-chapters.

This plug-in to save the scroll position of book summary area of gitbook before the screen is changed, then restore it.

Add it to your book.json configuration:

{
    "plugins": ["book-summary-scroll-position-saver"]
}

Install your plugins using:

$ gitbook install

This software is released under the MIT License, see LICENSE.txt.