| Answer | Crossword Clue |
|---|---|
| ISBNNUMBER | Digits on the back cover |
| ISBNNUMBER | Bibliographic identifier |
| Answer | Crossword Clue |
|---|---|
| ISBNNUMBER | Digits on the back cover |
| ISBNNUMBER | Bibliographic identifier |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.