iOS - How to change excerpt highlight on iPad?

Dumb Q: How do you change a excerpt highlight length in iOS?

In OSX, I get little blue handles with a dot that I can drag to edit the length of the excerpt highlight. On iOS/iPad I can not figure out how to edit an existing highlight. Once I release my finger from the the highlight, the only way I see to change what is actually highlighted is to delete the highlight and create it again.

Have googled this site but must be missing a key word as I am sure this has been covered; apologies for asking.

Thank you.

Hello

Hello, epub is not supported

Kind Regards,

Support Team