| Component | 10-digit ISBN |
13-digit ISBN |
| Backpack - Starter Level | ||
| Backpack Starter | 0132452014 | 9780132452014 |
| Backpack Starter WB (with bind-in audio CD) | 013208483X | 9780132084833 |
| Backpack Starter Class AudioCD | 0132084775 | 9780132084772 |
| Backpack Starter Posters | 0132084791 | 9780132084796 |
| Backpack Starter DVD | 0132084783 | 9780132084789 |
| Backpack Starter TE | 0132084821 | 9780132084826 |
| Backpack Picture Cards Starter to Level 2 | 0132451387 | 9780132451383 |
| Backpack Assessment Book St-3 | 0132451336 | 9780132451338 |
| Backpack TRB Levels St - 6 | 0132451808 | 9780132451802 |
| Backpack - Level 1 | ||
| Backpack 1 (with bind-in CD ROM) | 013245081X | 9780132450812 |
| Backpack 1 WB (with bind-in audio CD) | 0132451255 | 9780132451253 |
| Backpack 1 Class AudioCD | 0132451174 | 9780132451178 |
| Backpack 1 Posters | 0132451220 | 9780132451222 |
| Backpack 1 DVD | 0132451212 | 9780132451215 |
| Backpack 1 TE | 0132451247 | 9780132451246 |
| Backpack Picture Cards Starter to Level 2 | 0132451387 | 9780132451383 |
| Backpack Assessment Book St-3 | 0132451336 | 9780132451338 |
| Backpack 1 Interactive Whiteboard | 0132461633 | 9780132461634 |
| Backpack TRB Levels St - 6 | 0132451808 | 9780132451802 |
| Backpack - Level 2 | ||
| Backpack 2 (with bind-in CD ROM) | 0132450828 | 9780132450829 |
| Backpack 2 WB (with bind-in audio CD) | 0132451301 | 9780132451307 |
| Backpack 2 Class AudioCD | 0132451263 | 9780132451260 |
| Backpack 2 Poster | 0132450976 | 9780132450973 |
| Backpack 2 DVD | 013245128X | 9780132451284 |
| Backpack 2 TE | 013245131X | 9780132451314 |
| Backpack Picture Cards Starter to Level 2 | 0132451387 | 9780132451383 |
| Backpack Assessment Book St-3 | 0132451336 | 9780132451338 |
| Backpack 2 Interactive Whiteboard | 0132461641 | 9780132461641 |
| Backpack TRB Levels St - 6 | 0132451808 | 9780132451802 |
| Backpack - Level 3 | ||
| Backpack 3 (with bind-in CD ROM) | 0132450836 | 9780132450836 |
| Backpack 3 WB (with bind-in audio CD) | 0132451042 | 9780132451048 |
| Backpack 3 Class AudioCD | 0132451425 | 9780132451420 |
| Backpack 3 Posters | 0132451417 | 9780132451413 |
| Backpack 3 DVD | 0132451034 | 9780132451031 |
| Backpack 3 TE | 0132451050 | 9780132451055 |
| Backpack Picture Cards Levels 3 - 4 | 0132451328 | 9780132451321 |
| Backpack 3 Interactive Whiteboard | 0132451360 | 9780132451369 |
| Backpack Assessment Book St-3 | 0132451336 | 9780132451338 |
| Backpack TRB Levels St - 6 | 0132451808 | 9780132451802 |
| Backpack - Level 4 | ||
| Backpack 4 (with bind-in CD ROM) | 0132450844 | 9780132450843 |
| Backpack 4 WB (with bind-in audio CD) | 0132451670 | 9780132451673 |
| Backpack 4 Class AudioCD | 0132451484 | 9780132451482 |
| Backpack 4 Posters | 0132451441 | 9780132451444 |
| Backpack 4 DVD | 0132451492 | 9780132451499 |
| Backpack 4 TE | 0132451468 | 9780132451468 |
| Backpack Picture Cards Levels 3 - 4 | 0132451328 | 9780132451321 |
| Backpack 4 Interactive Whiteboard | 013246165X | 9780132461658 |
| Backpack Assessment Book 4 - 6 | 0132461471 | 9780132461474 |
| Backpack TRB Levels St - 6 | 0132451808 | 9780132451802 |
| Backpack - Level 5 | ||
| Backpack 5 (with bind-in CD ROM) | 0132450860 | 9780132450867 |
| Backpack 5 Workbook (with bind-in audio CD) | 013245016X | 9780132450164 |
| Backpack 5 Class AudioCD | 0132451549 | 9780132451543 |
| Backpack 5 Posters | 0132451573 | 9780132451574 |
| Backpack 5 DVD | 0132451565 | 9780132451567 |
| Backpack 5 TE | 0132451530 | 9780132451536 |
| Backpack Picture Cards Levels 5 - 6 | 0132451395 | 9780132451390 |
| Backpack 5 Interactive Whiteboard | 0132461676 | 9780132461672 |
| Backpack Assessment Book 4 - 6 | 0132461471 | 9780132461474 |
| Backpack TRB Levels St - 6 | 0132451808 | 9780132451802 |
| Backpack - Level 6 | ||
| Backpack 6 (with bind-in CD ROM) | 0132450879 | 9780132450874 |
| Backpack 6 WB (with bind-in audio CD) | 0132451522 | 9780132451529 |
| Backpack 6 Class AudioCD | 0132451603 | 9780132451604 |
| Backpack 6 Posters | 0132451638 | 9780132451635 |
| Backpack 6 DVD | 013245162X | 9780132451628 |
| Backpack 6 TE | 0132451662 | 9780132451666 |
| Backpack Picture Cards Levels 5 - 6 | 0132451395 | 9780132451390 |
| Backpack 6 Interactive Whiteboard | 0132461684 | 9780132461689 |
| Backpack Assessment Book 4 - 6 | 0132461471 | 9780132461474 |
| Backpack TRB Levels St - 6 | 0132451808 | 9780132451802 |