How to make notes and highlights
In an ebook
Click (or tap) and hold a word, then select Highlight. To select more than one word, hold and drag.

After you highlight one or more words, you can add a note and change the highlight color.

In an audiobook
Select to make a bookmark. To highlight a section, click (or tap) and hold
.
After you make a bookmark or highlight, click or tap or
to add a note or change the highlight color.
