inside back cover; rear endpaper
Refers to the inside surface of the back cover of a book, or the endpaper attached to it. Often used in bookbinding and publishing contexts.
See also: 見返し (みかえし)
The author's photo is printed on the inside back cover of this book.
Compound of 裏 (ura, 'back') and 見返し (mikaeshi, 'endpaper' or 'looking back'). The exact historical derivation is uncertain, but the term is conventionally used in bookbinding.