Just writing this up in case it helps anyone else because it wasn’t automatic.
- First, connect you iPad to your Mac via a cable.
- On your Mac open a finder window and on the left hand side click on your iPad under Locations
- Click on the Books tab and then
Sync books onto..
andAll books
- Click on General tab and under Options click
Show this iPad when on Wi-Fi
andAutomatically sync when this iPad is connected