| The Secrets of Droon | 背ラベル （1段目は全てRY837） |
YLレベル | ||||
| シリーズ名 | 題名 | 2段目 | 3段目 | レベル | 総語数 | |
| 1 | The Secrets of Droon | The Hidden Stairs and the Magic Carpet | SD | 0001 | 3.5 | 7424 |
| 2 | Journey to the Volcano Palace | SD | 0002 | 3.5 | 7900 | |
| 3 | The Mysterious Island | SD | 0003 | 3.5 | 7746 | |
| 4 | City in the Clouds | SD | 0004 | 3.5 | 7933 | |
| 5 | The Great Ice Battle | SD | 0005 | 3.5 | 7682 | |
| 6 | The Sleeping Giant of Goll | SD | 0006 | 3.5 | 8309 | |
| 7 | Into the Land of the Lost | SD | 0007 | 3.5 | 8991 | |
| 8 | The Golden Wasp | SD | 0008 | 3.5 | 9356 | |
| 9 | The Tower of the Elf King | SD | 0009 | 3.5 | 9628 | |
| 10 | Quest for the Queen | SD | 0010 | 3.5 | 10309 | |
| 11 | The Hawk Bandits of Tarkoom | SD | 0011 | 3.5 | 11469 | |
| 12 | Under the Serpent Sea | SD | 0012 | 3.5 | 11462 | |
| 13 | The Mask of Maliban | SD | 0013 | 3.5 | 12211 | |
| 14 | Voyage of the Jaffa Wind | SD | 0014 | 3.5 | 14035 | |
| 15 | The Moon Scroll | SD | 0015 | 3.5 | 13338 | |
| 16 | The Knights of Silversnow | SD | 0016 | 3.5 | 13028 | |
| 17 | Dream Thief | SD | 0017 | 3.5 | 13240 | |
| 18 | Search for the Dragon Ship | SD | 0018 | 3.5 | 12540 | |
| 19 | The Coiled Viper | SD | 0019 | 3.5 | 12460 | |
| 20 | In the Ice Caves of Krog | SD | 0020 | 3.5 | 11365 | |
| 21 | Flight of the Genie | SD | 0021 | 3.5 | 12667 | |
| 22 | The Isle of Mists | SD | 0022 | 3.5 | 13000 | |
| 23 | The Fortress of the Treasure Queen | SD | 0023 | 3.5 | 12000 | |
| 24 | The race to Doobesh | SD | 0024 | 3.5 | 13000 | |
| 25 | The Riddle of Zorfendorf Castle | SD | 0025 | 3.5 | 13000 | |