NET
1 Then I saw in the right hand of the one who was seated on the throne a scroll written on the front and back and sealed with seven seals.
Darby
1 And I saw on the right hand of him that sat upon the throne a book, written within and on the back, sealed with seven seals.
KJV
1 And I saw in the right hand of him that sat on the throne a book written within and on the backside, sealed with seven seals.