| Oxford Reading Tree Time Chronicle | YLレベル | |||
| シリーズ | 題名 | レベル | 言語数 | |
| 1 | Oxford Reading Tree Time Chronicle Series 1 | The Strange Box | 1.6-1.8 | 1913 |
| 2 | Beyond the Door | 1.6-1.8 | 2102 | |
| 3 | The Jewel in the Hub | 1.6-1.8 | 1833 | 4 | The Matrix Mission | 1.6-1.8 | 1913 |
| 5 | The Power of the Cell | 1.6-1.8 | 2102 | |
| 6 | The Time Web | 1.6-1.8 | 1833 | |
| 7 | Oxford Reading Tree Time Chronicle Series 2 | Time Runners | 1.8-2.0 | 2504 |
| 8 | Tyler:His Story | 1.8-2.0 | 2828 | |
| 9 | A Jack and Three Queens | 1.8-2.0 | 2321 | |
| 10 | Mission Victory | 1.8-2.0 | 2499 | |
| 11 | The Enigma Plot | 1.8-2.0 | 2691 | |
| 12 | The Thief Who Stole Nothing | 1.8-2.0 | 2669 | |
| 13 | Oxford Reading Tree Time Chronicle Series 3 | Stranger at the Gates | 2.4-2.6 | 2828 |
| 14 | The Will of the People | 2.4-2.6 | 3201 | |
| 15 | Fire in the Dark | 2.4-2.6 | 2899 | |
| 16 | The Stone of Destiny | 2.4-2.6 | 3123 | |
| 17 | Making a Bolt For It | 2.4-2.6 | 3261 | |
| 18 | The Cauldron of Darkness | 2.4-2.6 | 3326 | |