Hey bleed6colors,
We understand that you'd like to be able to use your Apple Pencil to scroll and turn the page in the Books app while using your iPad Pro.
Highlight is a feature that can be used in the Books app. There isn't an option to disable this feature. Check out the information from the following article: Read books in the Books app on iPad
- Touch and hold a word, then move the grab points to adjust the selection.
- Tap Highlight, then tap to choose a highlight color or underline.
To remove a highlight or underline, tap the text, then tap .
To see all of your highlights, tap , then tap Notes."
Take care!