| Answer | Crossword Clue |
|---|---|
| ISBN | 10-digit ID at Amazon.com |
| ISBN | Amazon.com ID |
| ISBN | ID found in many Amazon.com URLs |
| ISBN | 10-digit book ID |
| ISBN | 10- or 13-digit ID |
| Answer | Crossword Clue |
|---|---|
| ISBN | 10-digit ID at Amazon.com |
| ISBN | Amazon.com ID |
| ISBN | ID found in many Amazon.com URLs |
| ISBN | 10-digit book ID |
| ISBN | 10- or 13-digit ID |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.